fix: total_ordering of sort_by_inode

Before sort_by_inode could result in unstable ordering. This change
ensures we will always have a reliable total ordering

.github/workflows/CICD.yml

@@ -210,7 +210,7 @@ jobs:
           echo set-output name=CARGO_TEST_OPTIONS::${CARGO_TEST_OPTIONS}
           echo ::set-output name=CARGO_TEST_OPTIONS::${CARGO_TEST_OPTIONS}
           # * strip executable?
-          STRIP="strip" ; case ${{ matrix.job.target }} in arm-unknown-linux-gnueabihf) STRIP="arm-linux-gnueabihf-strip" ;; *-pc-windows-msvc) STRIP="" ;; aarch64-unknown-linux-gnu) STRIP="aarch64-linux-gnu-strip" ;; aarch64-unknown-linux-musl) STRIP="aarch64-linux-gnueabihf-strip" ;; armv7-unknown-linux-musleabi) STRIP="" ;; arm-unknown-linux-musleabi) STRIP="" ;; esac;
+          STRIP="strip" ; case ${{ matrix.job.target }} in arm-unknown-linux-gnueabihf) STRIP="arm-linux-gnueabihf-strip" ;; *-pc-windows-msvc) STRIP="" ;; aarch64-unknown-linux-gnu) STRIP="aarch64-linux-gnu-strip" ;; aarch64-unknown-linux-musl) STRIP="" ;; armv7-unknown-linux-musleabi) STRIP="" ;; arm-unknown-linux-musleabi) STRIP="" ;; esac;
 
 
           echo set-output name=STRIP::${STRIP}
@@ -247,13 +247,13 @@ jobs:
         with:
           command: install
           args: cargo-deb
-        if: matrix.job.target == 'i686-unknown-linux-musl' || matrix.job.target == 'x86_64-unknown-linux-musl' || matrix.job.target == 'aarch64-unknown-linux-musl'
+        if: matrix.job.target == 'i686-unknown-linux-musl' || matrix.job.target == 'x86_64-unknown-linux-musl'
       - name: Build deb
         uses: actions-rs/cargo@v1
         with:
           command: deb
           args: --no-build --target=${{ matrix.job.target }}
-        if: matrix.job.target == 'i686-unknown-linux-musl' || matrix.job.target == 'x86_64-unknown-linux-musl' || matrix.job.target == 'aarch64-unknown-linux-musl'
+        if: matrix.job.target == 'i686-unknown-linux-musl' || matrix.job.target == 'x86_64-unknown-linux-musl'
       - name: Test
         uses: actions-rs/cargo@v1
         with:
@@ -270,7 +270,7 @@ jobs:
         with:
           name: ${{ env.PROJECT_NAME }}-${{ matrix.job.target }}.deb
           path: target/${{ matrix.job.target }}/debian
-        if: matrix.job.target == 'i686-unknown-linux-musl' || matrix.job.target == 'x86_64-unknown-linux-musl' || matrix.job.target == 'aarch64-unknown-linux-musl'
+        if: matrix.job.target == 'i686-unknown-linux-musl' || matrix.job.target == 'x86_64-unknown-linux-musl'
       - name: Package
         shell: bash
         run: |

Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "du-dust"
 description = "A more intuitive version of du"
-version = "0.8.6"
+version = "1.0.0"
 authors = ["bootandy <bootandy@gmail.com>", "nebkor <code@ardent.nebcorp.com>"]
 edition = "2021"
 readme = "README.md"
@@ -28,7 +28,7 @@ strip = true
 
 [dependencies]
 ansi_term = "0.12"
-clap = "3.2.17"
+clap = "4.4"
 lscolors = "0.13"
 terminal_size = "0.2"
 unicode-width = "0.1"
@@ -38,20 +38,24 @@ stfu8 = "0.2"
 regex = "1"
 config-file = "0.2"
 serde = { version = "1.0", features = ["derive"] }
+serde_json = "1.0"
 directories = "4"
 sysinfo = "0.27"
+ctrlc = "3.4"
+chrono = "0.4"
 
 [target.'cfg(windows)'.dependencies]
 winapi-util = "0.1"
+filesize = "0.2.0"
 
 [dev-dependencies]
 assert_cmd = "2"
 tempfile = "=3"
 
 [build-dependencies]
-clap = "3.2.17"
-clap_complete = "3.2.4"
-clap_mangen = "0.1"
+clap = "4.4"
+clap_complete = "4.4"
+clap_mangen = "0.2"
 
 [[test]]
 name = "integration"

README.md

@@ -25,12 +25,16 @@ Because I want an easy way to see where my disk is being used.
 
 #### 🍺 Homebrew (Linux)
 
-- `brew tap tgotwig/linux-dust && brew install dust`
+- `brew install dust`
 
 #### [Pacstall](https://github.com/pacstall/pacstall) (Debian/Ubuntu)
 
 - `pacstall -I dust-bin`
 
+### Anaconda (conda-forge)
+
+- `conda install -c conda-forge dust`
+
 #### [deb-get](https://github.com/wimpysworld/deb-get) (Debian/Ubuntu)
 
 - `deb-get install du-dust`
@@ -68,13 +72,14 @@ Usage: dust -d 3  (Shows 3 levels of subdirectories)
 Usage: dust -D (Show only directories (eg dust -D))
 Usage: dust -F (Show only files - finds your largest files)
 Usage: dust -r (reverse order of output)
-Usage: dust -H (si print sizes in powers of 1000 instead of 1024)
+Usage: dust -o si/b/kb/kib/mb/mib/gb/gib (si - prints sizes in powers of 1000. Others print size in that format).
 Usage: dust -X ignore  (ignore all files and directories with the name 'ignore')
 Usage: dust -x (Only show directories on the same filesystem)
 Usage: dust -b (Do not show percentages or draw ASCII bars)
-Usage: dust -B (--bars-on-right - Percent bars moved to right side of screen])
+Usage: dust -B (--bars-on-right - Percent bars moved to right side of screen)
 Usage: dust -i (Do not show hidden files)
 Usage: dust -c (No colors [monochrome])
+Usage: dust -C (Force colors)
 Usage: dust -f (Count files instead of diskspace)
 Usage: dust -t (Group by filetype)
 Usage: dust -z 10M (min-size, Only include files larger than 10M)
@@ -83,8 +88,10 @@ Usage: dust -v regex (Exclude files matching this regex (eg dust -v "\.png$" wou
 Usage: dust -L (dereference-links - Treat sym links as directories and go into them)
 Usage: dust -P (Disable the progress indicator)
 Usage: dust -R (For screen readers. Removes bars/symbols. Adds new column: depth level. (May want to use -p for full path too))
+Usage: dust -S (Custom Stack size - Use if you see: 'fatal runtime error: stack overflow' (default allocation: low memory=1048576, high memory=1073741824)"),
 Usage: dust --skip-total (No total row will be displayed)
-Usage: dust -z 4000000 (Exclude files below size 4MB)
+Usage: dust -z 40000/30MB/20kib (Exclude output files/directories below size 40000 bytes / 30MB / 20KiB)
+Usage: dust -j (Prints JSON representation of directories, try: dust -j  | jq)
 ```
 
 ## Config file

completions/_dust

@@ -15,24 +15,34 @@ _dust() {
 
     local context curcontext="$curcontext" state line
     _arguments "${_arguments_options[@]}" \
-'-d+[Depth to show]: : ' \
-'--depth=[Depth to show]: : ' \
-'-n+[Number of lines of output to show. (Default is terminal_height - 10)]: : ' \
-'--number-of-lines=[Number of lines of output to show. (Default is terminal_height - 10)]: : ' \
-'*-X+[Exclude any file or directory with this name]: : ' \
-'*--ignore-directory=[Exclude any file or directory with this name]: : ' \
-'-z+[Minimum size file to include in output]: : ' \
-'--min-size=[Minimum size file to include in output]: : ' \
-'(-e --filter -t --file_types)*-v+[Exclude filepaths matching this regex. To ignore png files type: -v "\\.png$" ]: : ' \
-'(-e --filter -t --file_types)*--invert-filter=[Exclude filepaths matching this regex. To ignore png files type: -v "\\.png$" ]: : ' \
-'(-t --file_types)*-e+[Only include filepaths matching this regex. For png files type: -e "\\.png$" ]: : ' \
-'(-t --file_types)*--filter=[Only include filepaths matching this regex. For png files type: -e "\\.png$" ]: : ' \
-'-w+[Specify width of output overriding the auto detection of terminal width]: : ' \
-'--terminal_width=[Specify width of output overriding the auto detection of terminal width]: : ' \
-'-h[Print help information]' \
-'--help[Print help information]' \
-'-V[Print version information]' \
-'--version[Print version information]' \
+'-d+[Depth to show]:DEPTH: ' \
+'--depth=[Depth to show]:DEPTH: ' \
+'-T+[Number of threads to use]: : ' \
+'--threads=[Number of threads to use]: : ' \
+'-n+[Number of lines of output to show. (Default is terminal_height - 10)]:NUMBER: ' \
+'--number-of-lines=[Number of lines of output to show. (Default is terminal_height - 10)]:NUMBER: ' \
+'*-X+[Exclude any file or directory with this name]:PATH:_files' \
+'*--ignore-directory=[Exclude any file or directory with this name]:PATH:_files' \
+'-I+[Exclude any file or directory with a regex matching that listed in this file, the file entries will be added to the ignore regexs provided by --invert_filter]:FILE:_files' \
+'--ignore-all-in-file=[Exclude any file or directory with a regex matching that listed in this file, the file entries will be added to the ignore regexs provided by --invert_filter]:FILE:_files' \
+'-z+[Minimum size file to include in output]:MIN_SIZE: ' \
+'--min-size=[Minimum size file to include in output]:MIN_SIZE: ' \
+'(-e --filter -t --file_types)*-v+[Exclude filepaths matching this regex. To ignore png files type\: -v "\\.png\$" ]:REGEX: ' \
+'(-e --filter -t --file_types)*--invert-filter=[Exclude filepaths matching this regex. To ignore png files type\: -v "\\.png\$" ]:REGEX: ' \
+'(-t --file_types)*-e+[Only include filepaths matching this regex. For png files type\: -e "\\.png\$" ]:REGEX: ' \
+'(-t --file_types)*--filter=[Only include filepaths matching this regex. For png files type\: -e "\\.png\$" ]:REGEX: ' \
+'-w+[Specify width of output overriding the auto detection of terminal width]:WIDTH: ' \
+'--terminal_width=[Specify width of output overriding the auto detection of terminal width]:WIDTH: ' \
+'-o+[Changes output display size. si will print sizes in powers of 1000. b k m g t kb mb gb tb will print the whole tree in that size.]:FORMAT:(si b k m g t kb mb gb tb)' \
+'--output-format=[Changes output display size. si will print sizes in powers of 1000. b k m g t kb mb gb tb will print the whole tree in that size.]:FORMAT:(si b k m g t kb mb gb tb)' \
+'-S+[Specify memory to use as stack size - use if you see\: '\''fatal runtime error\: stack overflow'\'' (default low memory=1048576, high memory=1073741824)]:STACK_SIZE: ' \
+'--stack-size=[Specify memory to use as stack size - use if you see\: '\''fatal runtime error\: stack overflow'\'' (default low memory=1048576, high memory=1073741824)]:STACK_SIZE: ' \
+'-M+[+/-n matches files modified more/less than n days ago , and n matches files modified exactly n days ago, days are rounded down.That is +n => (−∞, curr−(n+1)), n => \[curr−(n+1), curr−n), and -n => (𝑐𝑢𝑟𝑟−𝑛, +∞)]: : ' \
+'--mtime=[+/-n matches files modified more/less than n days ago , and n matches files modified exactly n days ago, days are rounded down.That is +n => (−∞, curr−(n+1)), n => \[curr−(n+1), curr−n), and -n => (𝑐𝑢𝑟𝑟−𝑛, +∞)]: : ' \
+'-A+[just like -mtime, but based on file access time]: : ' \
+'--atime=[just like -mtime, but based on file access time]: : ' \
+'-y+[just like -mtime, but based on file change time]: : ' \
+'--ctime=[just like -mtime, but based on file change time]: : ' \
 '-p[Subdirectories will not have their path shortened]' \
 '--full-paths[Subdirectories will not have their path shortened]' \
 '-L[dereference sym links - Treat sym links as directories and go into them]' \
@@ -43,14 +53,16 @@ _dust() {
 '--apparent-size[Use file length instead of blocks]' \
 '-r[Print tree upside down (biggest highest)]' \
 '--reverse[Print tree upside down (biggest highest)]' \
-'-c[No colors will be printed (Useful for commands like: watch)]' \
-'--no-colors[No colors will be printed (Useful for commands like: watch)]' \
+'-c[No colors will be printed (Useful for commands like\: watch)]' \
+'--no-colors[No colors will be printed (Useful for commands like\: watch)]' \
+'-C[Force colors print]' \
+'--force-colors[Force colors print]' \
 '-b[No percent bars or percentages will be displayed]' \
 '--no-percent-bars[No percent bars or percentages will be displayed]' \
 '-B[percent bars moved to right side of screen]' \
 '--bars-on-right[percent bars moved to right side of screen]' \
-'-R[For screen readers. Removes bars. Adds new column: depth level (May want to use -p too for full path)]' \
-'--screen-reader[For screen readers. Removes bars. Adds new column: depth level (May want to use -p too for full path)]' \
+'-R[For screen readers. Removes bars. Adds new column\: depth level (May want to use -p too for full path)]' \
+'--screen-reader[For screen readers. Removes bars. Adds new column\: depth level (May want to use -p too for full path)]' \
 '--skip-total[No total row will be displayed]' \
 '-f[Directory '\''size'\'' is number of child files instead of disk size]' \
 '--filecount[Directory '\''size'\'' is number of child files instead of disk size]' \
@@ -58,15 +70,20 @@ _dust() {
 '--ignore_hidden[Do not display hidden files]' \
 '(-d --depth -D --only-dir)-t[show only these file types]' \
 '(-d --depth -D --only-dir)--file_types[show only these file types]' \
-'-H[print sizes in powers of 1000 (e.g., 1.1G)]' \
-'--si[print sizes in powers of 1000 (e.g., 1.1G)]' \
 '-P[Disable the progress indication.]' \
 '--no-progress[Disable the progress indication.]' \
+'--print-errors[Print path with errors.]' \
 '(-F --only-file -t --file_types)-D[Only directories will be displayed.]' \
 '(-F --only-file -t --file_types)--only-dir[Only directories will be displayed.]' \
 '(-D --only-dir)-F[Only files will be displayed. (Finds your largest files)]' \
 '(-D --only-dir)--only-file[Only files will be displayed. (Finds your largest files)]' \
-'*::inputs:' \
+'-j[Output the directory tree as json to the current directory]' \
+'--output-json[Output the directory tree as json to the current directory]' \
+'-h[Print help]' \
+'--help[Print help]' \
+'-V[Print version]' \
+'--version[Print version]' \
+'*::params:_files' \
 && ret=0
 }
 
@@ -76,4 +93,8 @@ _dust_commands() {
     _describe -t commands 'dust commands' commands "$@"
 }
 
-_dust "$@"
+if [ "$funcstack[1]" = "_dust" ]; then
+    _dust "$@"
+else
+    compdef _dust dust
+fi

completions/_dust.ps1

@@ -23,10 +23,14 @@ Register-ArgumentCompleter -Native -CommandName 'dust' -ScriptBlock {
         'dust' {
             [CompletionResult]::new('-d', 'd', [CompletionResultType]::ParameterName, 'Depth to show')
             [CompletionResult]::new('--depth', 'depth', [CompletionResultType]::ParameterName, 'Depth to show')
+            [CompletionResult]::new('-T', 'T ', [CompletionResultType]::ParameterName, 'Number of threads to use')
+            [CompletionResult]::new('--threads', 'threads', [CompletionResultType]::ParameterName, 'Number of threads to use')
             [CompletionResult]::new('-n', 'n', [CompletionResultType]::ParameterName, 'Number of lines of output to show. (Default is terminal_height - 10)')
             [CompletionResult]::new('--number-of-lines', 'number-of-lines', [CompletionResultType]::ParameterName, 'Number of lines of output to show. (Default is terminal_height - 10)')
-            [CompletionResult]::new('-X', 'X', [CompletionResultType]::ParameterName, 'Exclude any file or directory with this name')
+            [CompletionResult]::new('-X', 'X ', [CompletionResultType]::ParameterName, 'Exclude any file or directory with this name')
             [CompletionResult]::new('--ignore-directory', 'ignore-directory', [CompletionResultType]::ParameterName, 'Exclude any file or directory with this name')
+            [CompletionResult]::new('-I', 'I ', [CompletionResultType]::ParameterName, 'Exclude any file or directory with a regex matching that listed in this file, the file entries will be added to the ignore regexs provided by --invert_filter')
+            [CompletionResult]::new('--ignore-all-in-file', 'ignore-all-in-file', [CompletionResultType]::ParameterName, 'Exclude any file or directory with a regex matching that listed in this file, the file entries will be added to the ignore regexs provided by --invert_filter')
             [CompletionResult]::new('-z', 'z', [CompletionResultType]::ParameterName, 'Minimum size file to include in output')
             [CompletionResult]::new('--min-size', 'min-size', [CompletionResultType]::ParameterName, 'Minimum size file to include in output')
             [CompletionResult]::new('-v', 'v', [CompletionResultType]::ParameterName, 'Exclude filepaths matching this regex. To ignore png files type: -v "\.png$" ')
@@ -35,13 +39,19 @@ Register-ArgumentCompleter -Native -CommandName 'dust' -ScriptBlock {
             [CompletionResult]::new('--filter', 'filter', [CompletionResultType]::ParameterName, 'Only include filepaths matching this regex. For png files type: -e "\.png$" ')
             [CompletionResult]::new('-w', 'w', [CompletionResultType]::ParameterName, 'Specify width of output overriding the auto detection of terminal width')
             [CompletionResult]::new('--terminal_width', 'terminal_width', [CompletionResultType]::ParameterName, 'Specify width of output overriding the auto detection of terminal width')
-            [CompletionResult]::new('-h', 'h', [CompletionResultType]::ParameterName, 'Print help information')
-            [CompletionResult]::new('--help', 'help', [CompletionResultType]::ParameterName, 'Print help information')
-            [CompletionResult]::new('-V', 'V', [CompletionResultType]::ParameterName, 'Print version information')
-            [CompletionResult]::new('--version', 'version', [CompletionResultType]::ParameterName, 'Print version information')
+            [CompletionResult]::new('-o', 'o', [CompletionResultType]::ParameterName, 'Changes output display size. si will print sizes in powers of 1000. b k m g t kb mb gb tb will print the whole tree in that size.')
+            [CompletionResult]::new('--output-format', 'output-format', [CompletionResultType]::ParameterName, 'Changes output display size. si will print sizes in powers of 1000. b k m g t kb mb gb tb will print the whole tree in that size.')
+            [CompletionResult]::new('-S', 'S ', [CompletionResultType]::ParameterName, 'Specify memory to use as stack size - use if you see: ''fatal runtime error: stack overflow'' (default low memory=1048576, high memory=1073741824)')
+            [CompletionResult]::new('--stack-size', 'stack-size', [CompletionResultType]::ParameterName, 'Specify memory to use as stack size - use if you see: ''fatal runtime error: stack overflow'' (default low memory=1048576, high memory=1073741824)')
+            [CompletionResult]::new('-M', 'M ', [CompletionResultType]::ParameterName, '+/-n matches files modified more/less than n days ago , and n matches files modified exactly n days ago, days are rounded down.That is +n => (−∞, curr−(n+1)), n => [curr−(n+1), curr−n), and -n => (𝑐𝑢𝑟𝑟−𝑛, +∞)')
+            [CompletionResult]::new('--mtime', 'mtime', [CompletionResultType]::ParameterName, '+/-n matches files modified more/less than n days ago , and n matches files modified exactly n days ago, days are rounded down.That is +n => (−∞, curr−(n+1)), n => [curr−(n+1), curr−n), and -n => (𝑐𝑢𝑟𝑟−𝑛, +∞)')
+            [CompletionResult]::new('-A', 'A ', [CompletionResultType]::ParameterName, 'just like -mtime, but based on file access time')
+            [CompletionResult]::new('--atime', 'atime', [CompletionResultType]::ParameterName, 'just like -mtime, but based on file access time')
+            [CompletionResult]::new('-y', 'y', [CompletionResultType]::ParameterName, 'just like -mtime, but based on file change time')
+            [CompletionResult]::new('--ctime', 'ctime', [CompletionResultType]::ParameterName, 'just like -mtime, but based on file change time')
             [CompletionResult]::new('-p', 'p', [CompletionResultType]::ParameterName, 'Subdirectories will not have their path shortened')
             [CompletionResult]::new('--full-paths', 'full-paths', [CompletionResultType]::ParameterName, 'Subdirectories will not have their path shortened')
-            [CompletionResult]::new('-L', 'L', [CompletionResultType]::ParameterName, 'dereference sym links - Treat sym links as directories and go into them')
+            [CompletionResult]::new('-L', 'L ', [CompletionResultType]::ParameterName, 'dereference sym links - Treat sym links as directories and go into them')
             [CompletionResult]::new('--dereference-links', 'dereference-links', [CompletionResultType]::ParameterName, 'dereference sym links - Treat sym links as directories and go into them')
             [CompletionResult]::new('-x', 'x', [CompletionResultType]::ParameterName, 'Only count the files and directories on the same filesystem as the supplied directory')
             [CompletionResult]::new('--limit-filesystem', 'limit-filesystem', [CompletionResultType]::ParameterName, 'Only count the files and directories on the same filesystem as the supplied directory')
@@ -51,11 +61,13 @@ Register-ArgumentCompleter -Native -CommandName 'dust' -ScriptBlock {
             [CompletionResult]::new('--reverse', 'reverse', [CompletionResultType]::ParameterName, 'Print tree upside down (biggest highest)')
             [CompletionResult]::new('-c', 'c', [CompletionResultType]::ParameterName, 'No colors will be printed (Useful for commands like: watch)')
             [CompletionResult]::new('--no-colors', 'no-colors', [CompletionResultType]::ParameterName, 'No colors will be printed (Useful for commands like: watch)')
+            [CompletionResult]::new('-C', 'C ', [CompletionResultType]::ParameterName, 'Force colors print')
+            [CompletionResult]::new('--force-colors', 'force-colors', [CompletionResultType]::ParameterName, 'Force colors print')
             [CompletionResult]::new('-b', 'b', [CompletionResultType]::ParameterName, 'No percent bars or percentages will be displayed')
             [CompletionResult]::new('--no-percent-bars', 'no-percent-bars', [CompletionResultType]::ParameterName, 'No percent bars or percentages will be displayed')
-            [CompletionResult]::new('-B', 'B', [CompletionResultType]::ParameterName, 'percent bars moved to right side of screen')
+            [CompletionResult]::new('-B', 'B ', [CompletionResultType]::ParameterName, 'percent bars moved to right side of screen')
             [CompletionResult]::new('--bars-on-right', 'bars-on-right', [CompletionResultType]::ParameterName, 'percent bars moved to right side of screen')
-            [CompletionResult]::new('-R', 'R', [CompletionResultType]::ParameterName, 'For screen readers. Removes bars. Adds new column: depth level (May want to use -p too for full path)')
+            [CompletionResult]::new('-R', 'R ', [CompletionResultType]::ParameterName, 'For screen readers. Removes bars. Adds new column: depth level (May want to use -p too for full path)')
             [CompletionResult]::new('--screen-reader', 'screen-reader', [CompletionResultType]::ParameterName, 'For screen readers. Removes bars. Adds new column: depth level (May want to use -p too for full path)')
             [CompletionResult]::new('--skip-total', 'skip-total', [CompletionResultType]::ParameterName, 'No total row will be displayed')
             [CompletionResult]::new('-f', 'f', [CompletionResultType]::ParameterName, 'Directory ''size'' is number of child files instead of disk size')
@@ -64,14 +76,19 @@ Register-ArgumentCompleter -Native -CommandName 'dust' -ScriptBlock {
             [CompletionResult]::new('--ignore_hidden', 'ignore_hidden', [CompletionResultType]::ParameterName, 'Do not display hidden files')
             [CompletionResult]::new('-t', 't', [CompletionResultType]::ParameterName, 'show only these file types')
             [CompletionResult]::new('--file_types', 'file_types', [CompletionResultType]::ParameterName, 'show only these file types')
-            [CompletionResult]::new('-H', 'H', [CompletionResultType]::ParameterName, 'print sizes in powers of 1000 (e.g., 1.1G)')
-            [CompletionResult]::new('--si', 'si', [CompletionResultType]::ParameterName, 'print sizes in powers of 1000 (e.g., 1.1G)')
-            [CompletionResult]::new('-P', 'P', [CompletionResultType]::ParameterName, 'Disable the progress indication.')
+            [CompletionResult]::new('-P', 'P ', [CompletionResultType]::ParameterName, 'Disable the progress indication.')
             [CompletionResult]::new('--no-progress', 'no-progress', [CompletionResultType]::ParameterName, 'Disable the progress indication.')
-            [CompletionResult]::new('-D', 'D', [CompletionResultType]::ParameterName, 'Only directories will be displayed.')
+            [CompletionResult]::new('--print-errors', 'print-errors', [CompletionResultType]::ParameterName, 'Print path with errors.')
+            [CompletionResult]::new('-D', 'D ', [CompletionResultType]::ParameterName, 'Only directories will be displayed.')
             [CompletionResult]::new('--only-dir', 'only-dir', [CompletionResultType]::ParameterName, 'Only directories will be displayed.')
-            [CompletionResult]::new('-F', 'F', [CompletionResultType]::ParameterName, 'Only files will be displayed. (Finds your largest files)')
+            [CompletionResult]::new('-F', 'F ', [CompletionResultType]::ParameterName, 'Only files will be displayed. (Finds your largest files)')
             [CompletionResult]::new('--only-file', 'only-file', [CompletionResultType]::ParameterName, 'Only files will be displayed. (Finds your largest files)')
+            [CompletionResult]::new('-j', 'j', [CompletionResultType]::ParameterName, 'Output the directory tree as json to the current directory')
+            [CompletionResult]::new('--output-json', 'output-json', [CompletionResultType]::ParameterName, 'Output the directory tree as json to the current directory')
+            [CompletionResult]::new('-h', 'h', [CompletionResultType]::ParameterName, 'Print help')
+            [CompletionResult]::new('--help', 'help', [CompletionResultType]::ParameterName, 'Print help')
+            [CompletionResult]::new('-V', 'V ', [CompletionResultType]::ParameterName, 'Print version')
+            [CompletionResult]::new('--version', 'version', [CompletionResultType]::ParameterName, 'Print version')
             break
         }
     })

completions/dust.bash

@@ -1,5 +1,5 @@
 _dust() {
-    local i cur prev opts cmds
+    local i cur prev opts cmd
     COMPREPLY=()
     cur="${COMP_WORDS[COMP_CWORD]}"
     prev="${COMP_WORDS[COMP_CWORD-1]}"
@@ -8,8 +8,8 @@ _dust() {
 
     for i in ${COMP_WORDS[@]}
     do
-        case "${i}" in
-            "$1")
+        case "${cmd},${i}" in
+            ",$1")
                 cmd="dust"
                 ;;
             *)
@@ -19,7 +19,7 @@ _dust() {
 
     case "${cmd}" in
         dust)
-            opts="-h -V -d -n -p -X -L -x -s -r -c -b -B -z -R -f -i -v -e -t -w -H -P -D -F --help --version --depth --number-of-lines --full-paths --ignore-directory --dereference-links --limit-filesystem --apparent-size --reverse --no-colors --no-percent-bars --bars-on-right --min-size --screen-reader --skip-total --filecount --ignore_hidden --invert-filter --filter --file_types --terminal_width --si --no-progress --only-dir --only-file <inputs>..."
+            opts="-d -T -n -p -X -I -L -x -s -r -c -C -b -B -z -R -f -i -v -e -t -w -P -D -F -o -S -j -M -A -y -h -V --depth --threads --number-of-lines --full-paths --ignore-directory --ignore-all-in-file --dereference-links --limit-filesystem --apparent-size --reverse --no-colors --force-colors --no-percent-bars --bars-on-right --min-size --screen-reader --skip-total --filecount --ignore_hidden --invert-filter --filter --file_types --terminal_width --no-progress --print-errors --only-dir --only-file --output-format --stack-size --output-json --mtime --atime --ctime --help --version [PATH]..."
             if [[ ${cur} == -* || ${COMP_CWORD} -eq 1 ]] ; then
                 COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") )
                 return 0
@@ -33,6 +33,14 @@ _dust() {
                     COMPREPLY=($(compgen -f "${cur}"))
                     return 0
                     ;;
+                --threads)
+                    COMPREPLY=($(compgen -f "${cur}"))
+                    return 0
+                    ;;
+                -T)
+                    COMPREPLY=($(compgen -f "${cur}"))
+                    return 0
+                    ;;
                 --number-of-lines)
                     COMPREPLY=($(compgen -f "${cur}"))
                     return 0
@@ -49,6 +57,36 @@ _dust() {
                     COMPREPLY=($(compgen -f "${cur}"))
                     return 0
                     ;;
+                --ignore-all-in-file)
+                    local oldifs
+                    if [[ -v IFS ]]; then
+                        oldifs="$IFS"
+                    fi
+                    IFS=$'\n'
+                    COMPREPLY=($(compgen -f "${cur}"))
+                    if [[ -v oldifs ]]; then
+                        IFS="$oldifs"
+                    fi
+                    if [[ "${BASH_VERSINFO[0]}" -ge 4 ]]; then
+                        compopt -o filenames
+                    fi
+                    return 0
+                    ;;
+                -I)
+                    local oldifs
+                    if [[ -v IFS ]]; then
+                        oldifs="$IFS"
+                    fi
+                    IFS=$'\n'
+                    COMPREPLY=($(compgen -f "${cur}"))
+                    if [[ -v oldifs ]]; then
+                        IFS="$oldifs"
+                    fi
+                    if [[ "${BASH_VERSINFO[0]}" -ge 4 ]]; then
+                        compopt -o filenames
+                    fi
+                    return 0
+                    ;;
                 --min-size)
                     COMPREPLY=($(compgen -f "${cur}"))
                     return 0
@@ -81,6 +119,46 @@ _dust() {
                     COMPREPLY=($(compgen -f "${cur}"))
                     return 0
                     ;;
+                --output-format)
+                    COMPREPLY=($(compgen -W "si b k m g t kb mb gb tb" -- "${cur}"))
+                    return 0
+                    ;;
+                -o)
+                    COMPREPLY=($(compgen -W "si b k m g t kb mb gb tb" -- "${cur}"))
+                    return 0
+                    ;;
+                --stack-size)
+                    COMPREPLY=($(compgen -f "${cur}"))
+                    return 0
+                    ;;
+                -S)
+                    COMPREPLY=($(compgen -f "${cur}"))
+                    return 0
+                    ;;
+                --mtime)
+                    COMPREPLY=($(compgen -f "${cur}"))
+                    return 0
+                    ;;
+                -M)
+                    COMPREPLY=($(compgen -f "${cur}"))
+                    return 0
+                    ;;
+                --atime)
+                    COMPREPLY=($(compgen -f "${cur}"))
+                    return 0
+                    ;;
+                -A)
+                    COMPREPLY=($(compgen -f "${cur}"))
+                    return 0
+                    ;;
+                --ctime)
+                    COMPREPLY=($(compgen -f "${cur}"))
+                    return 0
+                    ;;
+                -y)
+                    COMPREPLY=($(compgen -f "${cur}"))
+                    return 0
+                    ;;
                 *)
                     COMPREPLY=()
                     ;;
@@ -91,4 +169,8 @@ _dust() {
     esac
 }
 
-complete -F _dust -o bashdefault -o default dust
+if [[ "${BASH_VERSINFO[0]}" -eq 4 && "${BASH_VERSINFO[1]}" -ge 4 || "${BASH_VERSINFO[0]}" -gt 4 ]]; then
+    complete -F _dust -o nosort -o bashdefault -o default dust
+else
+    complete -F _dust -o bashdefault -o default dust
+fi

completions/dust.elv

@@ -20,10 +20,14 @@ set edit:completion:arg-completer[dust] = {|@words|
         &'dust'= {
             cand -d 'Depth to show'
             cand --depth 'Depth to show'
+            cand -T 'Number of threads to use'
+            cand --threads 'Number of threads to use'
             cand -n 'Number of lines of output to show. (Default is terminal_height - 10)'
             cand --number-of-lines 'Number of lines of output to show. (Default is terminal_height - 10)'
             cand -X 'Exclude any file or directory with this name'
             cand --ignore-directory 'Exclude any file or directory with this name'
+            cand -I 'Exclude any file or directory with a regex matching that listed in this file, the file entries will be added to the ignore regexs provided by --invert_filter'
+            cand --ignore-all-in-file 'Exclude any file or directory with a regex matching that listed in this file, the file entries will be added to the ignore regexs provided by --invert_filter'
             cand -z 'Minimum size file to include in output'
             cand --min-size 'Minimum size file to include in output'
             cand -v 'Exclude filepaths matching this regex. To ignore png files type: -v "\.png$" '
@@ -32,10 +36,16 @@ set edit:completion:arg-completer[dust] = {|@words|
             cand --filter 'Only include filepaths matching this regex. For png files type: -e "\.png$" '
             cand -w 'Specify width of output overriding the auto detection of terminal width'
             cand --terminal_width 'Specify width of output overriding the auto detection of terminal width'
-            cand -h 'Print help information'
-            cand --help 'Print help information'
-            cand -V 'Print version information'
-            cand --version 'Print version information'
+            cand -o 'Changes output display size. si will print sizes in powers of 1000. b k m g t kb mb gb tb will print the whole tree in that size.'
+            cand --output-format 'Changes output display size. si will print sizes in powers of 1000. b k m g t kb mb gb tb will print the whole tree in that size.'
+            cand -S 'Specify memory to use as stack size - use if you see: ''fatal runtime error: stack overflow'' (default low memory=1048576, high memory=1073741824)'
+            cand --stack-size 'Specify memory to use as stack size - use if you see: ''fatal runtime error: stack overflow'' (default low memory=1048576, high memory=1073741824)'
+            cand -M '+/-n matches files modified more/less than n days ago , and n matches files modified exactly n days ago, days are rounded down.That is +n => (−∞, curr−(n+1)), n => [curr−(n+1), curr−n), and -n => (𝑐𝑢𝑟𝑟−𝑛, +∞)'
+            cand --mtime '+/-n matches files modified more/less than n days ago , and n matches files modified exactly n days ago, days are rounded down.That is +n => (−∞, curr−(n+1)), n => [curr−(n+1), curr−n), and -n => (𝑐𝑢𝑟𝑟−𝑛, +∞)'
+            cand -A 'just like -mtime, but based on file access time'
+            cand --atime 'just like -mtime, but based on file access time'
+            cand -y 'just like -mtime, but based on file change time'
+            cand --ctime 'just like -mtime, but based on file change time'
             cand -p 'Subdirectories will not have their path shortened'
             cand --full-paths 'Subdirectories will not have their path shortened'
             cand -L 'dereference sym links - Treat sym links as directories and go into them'
@@ -48,6 +58,8 @@ set edit:completion:arg-completer[dust] = {|@words|
             cand --reverse 'Print tree upside down (biggest highest)'
             cand -c 'No colors will be printed (Useful for commands like: watch)'
             cand --no-colors 'No colors will be printed (Useful for commands like: watch)'
+            cand -C 'Force colors print'
+            cand --force-colors 'Force colors print'
             cand -b 'No percent bars or percentages will be displayed'
             cand --no-percent-bars 'No percent bars or percentages will be displayed'
             cand -B 'percent bars moved to right side of screen'
@@ -61,14 +73,19 @@ set edit:completion:arg-completer[dust] = {|@words|
             cand --ignore_hidden 'Do not display hidden files'
             cand -t 'show only these file types'
             cand --file_types 'show only these file types'
-            cand -H 'print sizes in powers of 1000 (e.g., 1.1G)'
-            cand --si 'print sizes in powers of 1000 (e.g., 1.1G)'
             cand -P 'Disable the progress indication.'
             cand --no-progress 'Disable the progress indication.'
+            cand --print-errors 'Print path with errors.'
             cand -D 'Only directories will be displayed.'
             cand --only-dir 'Only directories will be displayed.'
             cand -F 'Only files will be displayed. (Finds your largest files)'
             cand --only-file 'Only files will be displayed. (Finds your largest files)'
+            cand -j 'Output the directory tree as json to the current directory'
+            cand --output-json 'Output the directory tree as json to the current directory'
+            cand -h 'Print help'
+            cand --help 'Print help'
+            cand -V 'Print version'
+            cand --version 'Print version'
         }
     ]
     $completions[$command]

completions/dust.fish

@@ -1,18 +1,24 @@
 complete -c dust -s d -l depth -d 'Depth to show' -r
+complete -c dust -s T -l threads -d 'Number of threads to use' -r
 complete -c dust -s n -l number-of-lines -d 'Number of lines of output to show. (Default is terminal_height - 10)' -r
-complete -c dust -s X -l ignore-directory -d 'Exclude any file or directory with this name' -r
+complete -c dust -s X -l ignore-directory -d 'Exclude any file or directory with this name' -r -F
+complete -c dust -s I -l ignore-all-in-file -d 'Exclude any file or directory with a regex matching that listed in this file, the file entries will be added to the ignore regexs provided by --invert_filter' -r -F
 complete -c dust -s z -l min-size -d 'Minimum size file to include in output' -r
 complete -c dust -s v -l invert-filter -d 'Exclude filepaths matching this regex. To ignore png files type: -v "\\.png$" ' -r
 complete -c dust -s e -l filter -d 'Only include filepaths matching this regex. For png files type: -e "\\.png$" ' -r
 complete -c dust -s w -l terminal_width -d 'Specify width of output overriding the auto detection of terminal width' -r
-complete -c dust -s h -l help -d 'Print help information'
-complete -c dust -s V -l version -d 'Print version information'
+complete -c dust -s o -l output-format -d 'Changes output display size. si will print sizes in powers of 1000. b k m g t kb mb gb tb will print the whole tree in that size.' -r -f -a "{si	'',b	'',k	'',m	'',g	'',t	'',kb	'',mb	'',gb	'',tb	''}"
+complete -c dust -s S -l stack-size -d 'Specify memory to use as stack size - use if you see: \'fatal runtime error: stack overflow\' (default low memory=1048576, high memory=1073741824)' -r
+complete -c dust -s M -l mtime -d '+/-n matches files modified more/less than n days ago , and n matches files modified exactly n days ago, days are rounded down.That is +n => (−∞, curr−(n+1)), n => [curr−(n+1), curr−n), and -n => (𝑐𝑢𝑟𝑟−𝑛, +∞)' -r
+complete -c dust -s A -l atime -d 'just like -mtime, but based on file access time' -r
+complete -c dust -s y -l ctime -d 'just like -mtime, but based on file change time' -r
 complete -c dust -s p -l full-paths -d 'Subdirectories will not have their path shortened'
 complete -c dust -s L -l dereference-links -d 'dereference sym links - Treat sym links as directories and go into them'
 complete -c dust -s x -l limit-filesystem -d 'Only count the files and directories on the same filesystem as the supplied directory'
 complete -c dust -s s -l apparent-size -d 'Use file length instead of blocks'
 complete -c dust -s r -l reverse -d 'Print tree upside down (biggest highest)'
 complete -c dust -s c -l no-colors -d 'No colors will be printed (Useful for commands like: watch)'
+complete -c dust -s C -l force-colors -d 'Force colors print'
 complete -c dust -s b -l no-percent-bars -d 'No percent bars or percentages will be displayed'
 complete -c dust -s B -l bars-on-right -d 'percent bars moved to right side of screen'
 complete -c dust -s R -l screen-reader -d 'For screen readers. Removes bars. Adds new column: depth level (May want to use -p too for full path)'
@@ -20,7 +26,10 @@ complete -c dust -l skip-total -d 'No total row will be displayed'
 complete -c dust -s f -l filecount -d 'Directory \'size\' is number of child files instead of disk size'
 complete -c dust -s i -l ignore_hidden -d 'Do not display hidden files'
 complete -c dust -s t -l file_types -d 'show only these file types'
-complete -c dust -s H -l si -d 'print sizes in powers of 1000 (e.g., 1.1G)'
 complete -c dust -s P -l no-progress -d 'Disable the progress indication.'
+complete -c dust -l print-errors -d 'Print path with errors.'
 complete -c dust -s D -l only-dir -d 'Only directories will be displayed.'
 complete -c dust -s F -l only-file -d 'Only files will be displayed. (Finds your largest files)'
+complete -c dust -s j -l output-json -d 'Output the directory tree as json to the current directory'
+complete -c dust -s h -l help -d 'Print help'
+complete -c dust -s V -l version -d 'Print version'

man-page/dust.1

@@ -1,32 +1,32 @@
 .ie \n(.g .ds Aq \(aq
 .el .ds Aq '
-.TH Dust 1  "Dust 0.8.6" 
+.TH Dust 1  "Dust 1.0.0" 
 .SH NAME
 Dust \- Like du but more intuitive
 .SH SYNOPSIS
-\fBDust\fR [\fB\-h\fR|\fB\-\-help\fR] [\fB\-V\fR|\fB\-\-version\fR] [\fB\-d\fR|\fB\-\-depth\fR] [\fB\-n\fR|\fB\-\-number\-of\-lines\fR] [\fB\-p\fR|\fB\-\-full\-paths\fR] [\fB\-X\fR|\fB\-\-ignore\-directory\fR] [\fB\-L\fR|\fB\-\-dereference\-links\fR] [\fB\-x\fR|\fB\-\-limit\-filesystem\fR] [\fB\-s\fR|\fB\-\-apparent\-size\fR] [\fB\-r\fR|\fB\-\-reverse\fR] [\fB\-c\fR|\fB\-\-no\-colors\fR] [\fB\-b\fR|\fB\-\-no\-percent\-bars\fR] [\fB\-B\fR|\fB\-\-bars\-on\-right\fR] [\fB\-z\fR|\fB\-\-min\-size\fR] [\fB\-R\fR|\fB\-\-screen\-reader\fR] [\fB\-\-skip\-total\fR] [\fB\-f\fR|\fB\-\-filecount\fR] [\fB\-i\fR|\fB\-\-ignore_hidden\fR] [\fB\-v\fR|\fB\-\-invert\-filter\fR] [\fB\-e\fR|\fB\-\-filter\fR] [\fB\-t\fR|\fB\-\-file_types\fR] [\fB\-w\fR|\fB\-\-terminal_width\fR] [\fB\-H\fR|\fB\-\-si\fR] [\fB\-P\fR|\fB\-\-no\-progress\fR] [\fB\-D\fR|\fB\-\-only\-dir\fR] [\fB\-F\fR|\fB\-\-only\-file\fR] [\fIinputs\fR] 
+\fBdust\fR [\fB\-d\fR|\fB\-\-depth\fR] [\fB\-T\fR|\fB\-\-threads\fR] [\fB\-n\fR|\fB\-\-number\-of\-lines\fR] [\fB\-p\fR|\fB\-\-full\-paths\fR] [\fB\-X\fR|\fB\-\-ignore\-directory\fR] [\fB\-I\fR|\fB\-\-ignore\-all\-in\-file\fR] [\fB\-L\fR|\fB\-\-dereference\-links\fR] [\fB\-x\fR|\fB\-\-limit\-filesystem\fR] [\fB\-s\fR|\fB\-\-apparent\-size\fR] [\fB\-r\fR|\fB\-\-reverse\fR] [\fB\-c\fR|\fB\-\-no\-colors\fR] [\fB\-C\fR|\fB\-\-force\-colors\fR] [\fB\-b\fR|\fB\-\-no\-percent\-bars\fR] [\fB\-B\fR|\fB\-\-bars\-on\-right\fR] [\fB\-z\fR|\fB\-\-min\-size\fR] [\fB\-R\fR|\fB\-\-screen\-reader\fR] [\fB\-\-skip\-total\fR] [\fB\-f\fR|\fB\-\-filecount\fR] [\fB\-i\fR|\fB\-\-ignore_hidden\fR] [\fB\-v\fR|\fB\-\-invert\-filter\fR] [\fB\-e\fR|\fB\-\-filter\fR] [\fB\-t\fR|\fB\-\-file_types\fR] [\fB\-w\fR|\fB\-\-terminal_width\fR] [\fB\-P\fR|\fB\-\-no\-progress\fR] [\fB\-\-print\-errors\fR] [\fB\-D\fR|\fB\-\-only\-dir\fR] [\fB\-F\fR|\fB\-\-only\-file\fR] [\fB\-o\fR|\fB\-\-output\-format\fR] [\fB\-S\fR|\fB\-\-stack\-size\fR] [\fB\-j\fR|\fB\-\-output\-json\fR] [\fB\-M\fR|\fB\-\-mtime\fR] [\fB\-A\fR|\fB\-\-atime\fR] [\fB\-y\fR|\fB\-\-ctime\fR] [\fB\-h\fR|\fB\-\-help\fR] [\fB\-V\fR|\fB\-\-version\fR] [\fIPATH\fR] 
 .SH DESCRIPTION
 Like du but more intuitive
 .SH OPTIONS
 .TP
-\fB\-h\fR, \fB\-\-help\fR
-Print help information
-.TP
-\fB\-V\fR, \fB\-\-version\fR
-Print version information
-.TP
-\fB\-d\fR, \fB\-\-depth\fR
+\fB\-d\fR, \fB\-\-depth\fR=\fIDEPTH\fR
 Depth to show
 .TP
-\fB\-n\fR, \fB\-\-number\-of\-lines\fR
+\fB\-T\fR, \fB\-\-threads\fR
+Number of threads to use
+.TP
+\fB\-n\fR, \fB\-\-number\-of\-lines\fR=\fINUMBER\fR
 Number of lines of output to show. (Default is terminal_height \- 10)
 .TP
 \fB\-p\fR, \fB\-\-full\-paths\fR
 Subdirectories will not have their path shortened
 .TP
-\fB\-X\fR, \fB\-\-ignore\-directory\fR
+\fB\-X\fR, \fB\-\-ignore\-directory\fR=\fIPATH\fR
 Exclude any file or directory with this name
 .TP
+\fB\-I\fR, \fB\-\-ignore\-all\-in\-file\fR=\fIFILE\fR
+Exclude any file or directory with a regex matching that listed in this file, the file entries will be added to the ignore regexs provided by \-\-invert_filter
+.TP
 \fB\-L\fR, \fB\-\-dereference\-links\fR
 dereference sym links \- Treat sym links as directories and go into them
 .TP
@@ -42,13 +42,16 @@ Print tree upside down (biggest highest)
 \fB\-c\fR, \fB\-\-no\-colors\fR
 No colors will be printed (Useful for commands like: watch)
 .TP
+\fB\-C\fR, \fB\-\-force\-colors\fR
+Force colors print
+.TP
 \fB\-b\fR, \fB\-\-no\-percent\-bars\fR
 No percent bars or percentages will be displayed
 .TP
 \fB\-B\fR, \fB\-\-bars\-on\-right\fR
 percent bars moved to right side of screen
 .TP
-\fB\-z\fR, \fB\-\-min\-size\fR
+\fB\-z\fR, \fB\-\-min\-size\fR=\fIMIN_SIZE\fR
 Minimum size file to include in output
 .TP
 \fB\-R\fR, \fB\-\-screen\-reader\fR
@@ -63,31 +66,59 @@ Directory \*(Aqsize\*(Aq is number of child files instead of disk size
 \fB\-i\fR, \fB\-\-ignore_hidden\fR
 Do not display hidden files
 .TP
-\fB\-v\fR, \fB\-\-invert\-filter\fR
+\fB\-v\fR, \fB\-\-invert\-filter\fR=\fIREGEX\fR
 Exclude filepaths matching this regex. To ignore png files type: \-v "\\.png$" 
 .TP
-\fB\-e\fR, \fB\-\-filter\fR
+\fB\-e\fR, \fB\-\-filter\fR=\fIREGEX\fR
 Only include filepaths matching this regex. For png files type: \-e "\\.png$" 
 .TP
 \fB\-t\fR, \fB\-\-file_types\fR
 show only these file types
 .TP
-\fB\-w\fR, \fB\-\-terminal_width\fR
+\fB\-w\fR, \fB\-\-terminal_width\fR=\fIWIDTH\fR
 Specify width of output overriding the auto detection of terminal width
 .TP
-\fB\-H\fR, \fB\-\-si\fR
-print sizes in powers of 1000 (e.g., 1.1G)
-.TP
 \fB\-P\fR, \fB\-\-no\-progress\fR
 Disable the progress indication.
 .TP
+\fB\-\-print\-errors\fR
+Print path with errors.
+.TP
 \fB\-D\fR, \fB\-\-only\-dir\fR
 Only directories will be displayed.
 .TP
 \fB\-F\fR, \fB\-\-only\-file\fR
 Only files will be displayed. (Finds your largest files)
 .TP
-[\fIinputs\fR]
+\fB\-o\fR, \fB\-\-output\-format\fR=\fIFORMAT\fR
+Changes output display size. si will print sizes in powers of 1000. b k m g t kb mb gb tb will print the whole tree in that size.
+.br
+
+.br
+[\fIpossible values: \fRsi, b, k, m, g, t, kb, mb, gb, tb]
+.TP
+\fB\-S\fR, \fB\-\-stack\-size\fR=\fISTACK_SIZE\fR
+Specify memory to use as stack size \- use if you see: \*(Aqfatal runtime error: stack overflow\*(Aq (default low memory=1048576, high memory=1073741824)
+.TP
+\fB\-j\fR, \fB\-\-output\-json\fR
+Output the directory tree as json to the current directory
+.TP
+\fB\-M\fR, \fB\-\-mtime\fR
++/\-n matches files modified more/less than n days ago , and n matches files modified exactly n days ago, days are rounded down.That is +n => (−∞, curr−(n+1)), n => [curr−(n+1), curr−n), and \-n => (𝑐𝑢𝑟𝑟−𝑛, +∞)
+.TP
+\fB\-A\fR, \fB\-\-atime\fR
+just like \-mtime, but based on file access time
+.TP
+\fB\-y\fR, \fB\-\-ctime\fR
+just like \-mtime, but based on file change time
+.TP
+\fB\-h\fR, \fB\-\-help\fR
+Print help
+.TP
+\fB\-V\fR, \fB\-\-version\fR
+Print version
+.TP
+[\fIPATH\fR]
 
 .SH VERSION
-v0.8.6
+v1.0.0

src/cli.rs

@@ -1,122 +1,160 @@
-use clap::{Arg, Command};
+use clap::{builder::PossibleValue, value_parser, Arg, Command};
 
 // For single thread mode set this variable on your command line:
 // export RAYON_NUM_THREADS=1
 
-pub fn build_cli() -> Command<'static> {
+pub fn build_cli() -> Command {
     Command::new("Dust")
         .about("Like du but more intuitive")
         .version(env!("CARGO_PKG_VERSION"))
-        .trailing_var_arg(true)
         .arg(
             Arg::new("depth")
                 .short('d')
                 .long("depth")
+                .value_name("DEPTH")
+                .value_parser(value_parser!(usize))
                 .help("Depth to show")
-                .takes_value(true)
+                .num_args(1)
+        )
+        .arg(
+            Arg::new("threads")
+                .short('T')
+                .long("threads")
+                .value_parser(value_parser!(usize))
+                .help("Number of threads to use")
+                .num_args(1)
         )
         .arg(
             Arg::new("number_of_lines")
                 .short('n')
                 .long("number-of-lines")
+                .value_name("NUMBER")
+                .value_parser(value_parser!(usize))
                 .help("Number of lines of output to show. (Default is terminal_height - 10)")
-                .takes_value(true)
+                .num_args(1)
         )
         .arg(
             Arg::new("display_full_paths")
                 .short('p')
                 .long("full-paths")
+                .action(clap::ArgAction::SetTrue)
                 .help("Subdirectories will not have their path shortened"),
         )
         .arg(
             Arg::new("ignore_directory")
                 .short('X')
                 .long("ignore-directory")
-                .takes_value(true)
-                .number_of_values(1)
-                .multiple_occurrences(true)
+                .value_name("PATH")
+                .value_hint(clap::ValueHint::AnyPath)
+                .action(clap::ArgAction::Append)
                 .help("Exclude any file or directory with this name"),
+        )
+        .arg(
+            Arg::new("ignore_all_in_file")
+                .short('I')
+                .long("ignore-all-in-file")
+                .value_name("FILE")
+                .value_hint(clap::ValueHint::FilePath)
+                .value_parser(value_parser!(String))
+                .help("Exclude any file or directory with a regex matching that listed in this file, the file entries will be added to the ignore regexs provided by --invert_filter"),
         )
          .arg(
             Arg::new("dereference_links")
                 .short('L')
                 .long("dereference-links")
+                .action(clap::ArgAction::SetTrue)
                 .help("dereference sym links - Treat sym links as directories and go into them"),
         )
         .arg(
             Arg::new("limit_filesystem")
                 .short('x')
                 .long("limit-filesystem")
+                .action(clap::ArgAction::SetTrue)
                 .help("Only count the files and directories on the same filesystem as the supplied directory"),
         )
         .arg(
             Arg::new("display_apparent_size")
                 .short('s')
                 .long("apparent-size")
+                .action(clap::ArgAction::SetTrue)
                 .help("Use file length instead of blocks"),
         )
         .arg(
             Arg::new("reverse")
                 .short('r')
                 .long("reverse")
+                .action(clap::ArgAction::SetTrue)
                 .help("Print tree upside down (biggest highest)"),
         )
         .arg(
             Arg::new("no_colors")
                 .short('c')
                 .long("no-colors")
+                .action(clap::ArgAction::SetTrue)
                 .help("No colors will be printed (Useful for commands like: watch)"),
         )
+        .arg(
+            Arg::new("force_colors")
+                .short('C')
+                .long("force-colors")
+                .action(clap::ArgAction::SetTrue)
+                .help("Force colors print"),
+        )
         .arg(
             Arg::new("no_bars")
                 .short('b')
                 .long("no-percent-bars")
+                .action(clap::ArgAction::SetTrue)
                 .help("No percent bars or percentages will be displayed"),
         )
         .arg(
             Arg::new("bars_on_right")
                 .short('B')
                 .long("bars-on-right")
+                .action(clap::ArgAction::SetTrue)
                 .help("percent bars moved to right side of screen"),
         )
         .arg(
             Arg::new("min_size")
                 .short('z')
                 .long("min-size")
-                .takes_value(true)
-                .number_of_values(1)
+                .value_name("MIN_SIZE")
+                .num_args(1)
                 .help("Minimum size file to include in output"),
         )
         .arg(
             Arg::new("screen_reader")
                 .short('R')
                 .long("screen-reader")
+                .action(clap::ArgAction::SetTrue)
                 .help("For screen readers. Removes bars. Adds new column: depth level (May want to use -p too for full path)"),
         )
         .arg(
             Arg::new("skip_total")
                 .long("skip-total")
+                .action(clap::ArgAction::SetTrue)
                 .help("No total row will be displayed"),
         )
         .arg(
             Arg::new("by_filecount")
                 .short('f')
                 .long("filecount")
+                .action(clap::ArgAction::SetTrue)
                 .help("Directory 'size' is number of child files instead of disk size"),
         )
         .arg(
             Arg::new("ignore_hidden")
                 .short('i') // Do not use 'h' this is used by 'help'
                 .long("ignore_hidden")
+                .action(clap::ArgAction::SetTrue)
                 .help("Do not display hidden files"),
         )
         .arg(
             Arg::new("invert_filter")
                 .short('v')
                 .long("invert-filter")
-                .takes_value(true)
-                .number_of_values(1)
-                .multiple_occurrences(true)
+                .value_name("REGEX")
+                .action(clap::ArgAction::Append)
                 .conflicts_with("filter")
                 .conflicts_with("types")
                 .help("Exclude filepaths matching this regex. To ignore png files type: -v \"\\.png$\" "),
@@ -125,9 +163,8 @@ pub fn build_cli() -> Command<'static> {
             Arg::new("filter")
                 .short('e')
                 .long("filter")
-                .takes_value(true)
-                .number_of_values(1)
-                .multiple_occurrences(true)
+                .value_name("REGEX")
+                .action(clap::ArgAction::Append)
                 .conflicts_with("types")
                 .help("Only include filepaths matching this regex. For png files type: -e \"\\.png$\" "),
         )
@@ -137,34 +174,38 @@ pub fn build_cli() -> Command<'static> {
                 .long("file_types")
                 .conflicts_with("depth")
                 .conflicts_with("only_dir")
+                .action(clap::ArgAction::SetTrue)
                 .help("show only these file types"),
         )
         .arg(
             Arg::new("width")
                 .short('w')
                 .long("terminal_width")
-                .takes_value(true)
-                .number_of_values(1)
+                .value_name("WIDTH")
+                .value_parser(value_parser!(usize))
+                .num_args(1)
                 .help("Specify width of output overriding the auto detection of terminal width"),
         )
-        .arg(
-            Arg::new("iso")
-                .short('H')
-                .long("si")
-                .help("print sizes in powers of 1000 (e.g., 1.1G)")
-        )
         .arg(
             Arg::new("disable_progress")
                 .short('P')
                 .long("no-progress")
+                .action(clap::ArgAction::SetTrue)
                 .help("Disable the progress indication."),
         )
+        .arg(
+            Arg::new("print_errors")
+                .long("print-errors")
+                .action(clap::ArgAction::SetTrue)
+                .help("Print path with errors."),
+        )
         .arg(
             Arg::new("only_dir")
                 .short('D')
                 .long("only-dir")
                 .conflicts_with("only_file")
                 .conflicts_with("types")
+                .action(clap::ArgAction::SetTrue)
                 .help("Only directories will be displayed."),
         )
         .arg(
@@ -172,7 +213,77 @@ pub fn build_cli() -> Command<'static> {
                 .short('F')
                 .long("only-file")
                 .conflicts_with("only_dir")
+                .action(clap::ArgAction::SetTrue)
                 .help("Only files will be displayed. (Finds your largest files)"),
         )
-        .arg(Arg::new("inputs").multiple_occurrences(true))
+        .arg(
+            Arg::new("output_format")
+                .short('o')
+                .long("output-format")
+                .value_name("FORMAT")
+                .value_parser([
+                    PossibleValue::new("si"),
+                    PossibleValue::new("b"),
+                    PossibleValue::new("k").alias("kib"),
+                    PossibleValue::new("m").alias("mib"),
+                    PossibleValue::new("g").alias("gib"),
+                    PossibleValue::new("t").alias("tib"),
+                    PossibleValue::new("kb"),
+                    PossibleValue::new("mb"),
+                    PossibleValue::new("gb"),
+                    PossibleValue::new("tb"),
+                ])
+                .ignore_case(true)
+                .help("Changes output display size. si will print sizes in powers of 1000. b k m g t kb mb gb tb will print the whole tree in that size.")
+        )
+        .arg(
+            Arg::new("stack_size")
+                .short('S')
+                .long("stack-size")
+                .value_name("STACK_SIZE")
+                .value_parser(value_parser!(usize))
+                .num_args(1)
+                .help("Specify memory to use as stack size - use if you see: 'fatal runtime error: stack overflow' (default low memory=1048576, high memory=1073741824)"),
+        )
+        .arg(
+            Arg::new("params")
+                .value_name("PATH")
+                .value_hint(clap::ValueHint::AnyPath)
+                .value_parser(value_parser!(String))
+                .num_args(1..)
+        )
+        .arg(
+            Arg::new("output_json")
+                .short('j')
+                .long("output-json")
+                .action(clap::ArgAction::SetTrue)
+                .help("Output the directory tree as json to the current directory"),
+        )
+        .arg(
+            Arg::new("mtime")
+            .short('M')
+            .long("mtime")
+            .num_args(1)
+            .allow_hyphen_values(true)
+            .value_parser(value_parser!(String))
+            .help("+/-n matches files modified more/less than n days ago , and n matches files modified exactly n days ago, days are rounded down.That is +n => (−∞, curr−(n+1)), n => [curr−(n+1), curr−n), and -n => (𝑐𝑢𝑟𝑟−𝑛, +∞)")
+        )
+        .arg(
+            Arg::new("atime")
+            .short('A')
+            .long("atime")
+            .num_args(1)
+            .allow_hyphen_values(true)
+            .value_parser(value_parser!(String))
+            .help("just like -mtime, but based on file access time")
+        )
+        .arg(
+            Arg::new("ctime")
+            .short('y')
+            .long("ctime")
+            .num_args(1)
+            .allow_hyphen_values(true)
+            .value_parser(value_parser!(String))
+            .help("just like -mtime, but based on file change time")
+        )
 }

src/config.rs

@@ -1,11 +1,16 @@
+use chrono::{Local, TimeZone};
 use clap::ArgMatches;
 use config_file::FromConfigFile;
+use regex::Regex;
 use serde::Deserialize;
 use std::io::IsTerminal;
 use std::path::Path;
 use std::path::PathBuf;
 
-use crate::display::UNITS;
+use crate::dir_walker::Operater;
+use crate::display::get_number_format;
+
+pub static DAY_SECONDS: i64 = 24 * 60 * 60;
 
 #[derive(Deserialize, Default)]
 #[serde(rename_all = "kebab-case")]
@@ -15,120 +20,207 @@ pub struct Config {
     pub display_apparent_size: Option<bool>,
     pub reverse: Option<bool>,
     pub no_colors: Option<bool>,
+    pub force_colors: Option<bool>,
     pub no_bars: Option<bool>,
     pub skip_total: Option<bool>,
     pub screen_reader: Option<bool>,
     pub ignore_hidden: Option<bool>,
-    pub iso: Option<bool>,
+    pub output_format: Option<String>,
     pub min_size: Option<String>,
     pub only_dir: Option<bool>,
     pub only_file: Option<bool>,
     pub disable_progress: Option<bool>,
     pub depth: Option<usize>,
     pub bars_on_right: Option<bool>,
+    pub stack_size: Option<usize>,
+    pub threads: Option<usize>,
+    pub output_json: Option<bool>,
+    pub print_errors: Option<bool>,
 }
 
 impl Config {
     pub fn get_no_colors(&self, options: &ArgMatches) -> bool {
-        Some(true) == self.no_colors || options.is_present("no_colors")
+        Some(true) == self.no_colors || options.get_flag("no_colors")
+    }
+    pub fn get_force_colors(&self, options: &ArgMatches) -> bool {
+        Some(true) == self.force_colors || options.get_flag("force_colors")
     }
     pub fn get_disable_progress(&self, options: &ArgMatches) -> bool {
         Some(true) == self.disable_progress
-            || options.is_present("disable_progress")
+            || options.get_flag("disable_progress")
             || !std::io::stdout().is_terminal()
     }
     pub fn get_apparent_size(&self, options: &ArgMatches) -> bool {
-        Some(true) == self.display_apparent_size || options.is_present("display_apparent_size")
+        Some(true) == self.display_apparent_size || options.get_flag("display_apparent_size")
     }
     pub fn get_ignore_hidden(&self, options: &ArgMatches) -> bool {
-        Some(true) == self.ignore_hidden || options.is_present("ignore_hidden")
+        Some(true) == self.ignore_hidden || options.get_flag("ignore_hidden")
     }
     pub fn get_full_paths(&self, options: &ArgMatches) -> bool {
-        // If we are only showing files, always show full paths
-        Some(true) == self.display_full_paths
-            || options.is_present("display_full_paths")
-            || self.get_only_file(options)
+        Some(true) == self.display_full_paths || options.get_flag("display_full_paths")
     }
     pub fn get_reverse(&self, options: &ArgMatches) -> bool {
-        Some(true) == self.reverse || options.is_present("reverse")
+        Some(true) == self.reverse || options.get_flag("reverse")
     }
     pub fn get_no_bars(&self, options: &ArgMatches) -> bool {
-        Some(true) == self.no_bars || options.is_present("no_bars")
+        Some(true) == self.no_bars || options.get_flag("no_bars")
     }
-    pub fn get_iso(&self, options: &ArgMatches) -> bool {
-        Some(true) == self.iso || options.is_present("iso")
+    pub fn get_output_format(&self, options: &ArgMatches) -> String {
+        let out_fmt = options.get_one::<String>("output_format");
+        (match out_fmt {
+            None => match &self.output_format {
+                None => "".to_string(),
+                Some(x) => x.to_string(),
+            },
+            Some(x) => x.into(),
+        })
+        .to_lowercase()
     }
     pub fn get_skip_total(&self, options: &ArgMatches) -> bool {
-        Some(true) == self.skip_total || options.is_present("skip_total")
+        Some(true) == self.skip_total || options.get_flag("skip_total")
     }
     pub fn get_screen_reader(&self, options: &ArgMatches) -> bool {
-        Some(true) == self.screen_reader || options.is_present("screen_reader")
+        Some(true) == self.screen_reader || options.get_flag("screen_reader")
     }
     pub fn get_depth(&self, options: &ArgMatches) -> usize {
-        if let Some(v) = options.value_of("depth") {
-            if let Ok(v) = v.parse::<usize>() {
-                return v;
-            }
+        if let Some(v) = options.get_one::<usize>("depth") {
+            return *v;
         }
 
         self.depth.unwrap_or(usize::MAX)
     }
-    pub fn get_min_size(&self, options: &ArgMatches, iso: bool) -> Option<usize> {
-        let size_from_param = options.value_of("min_size");
-        self._get_min_size(size_from_param, iso)
+    pub fn get_min_size(&self, options: &ArgMatches) -> Option<usize> {
+        let size_from_param = options.get_one::<String>("min_size");
+        self._get_min_size(size_from_param)
     }
-    fn _get_min_size(&self, min_size: Option<&str>, iso: bool) -> Option<usize> {
-        let size_from_param = min_size.and_then(|a| convert_min_size(a, iso));
+    fn _get_min_size(&self, min_size: Option<&String>) -> Option<usize> {
+        let size_from_param = min_size.and_then(|a| convert_min_size(a));
 
         if size_from_param.is_none() {
             self.min_size
                 .as_ref()
-                .and_then(|a| convert_min_size(a.as_ref(), iso))
+                .and_then(|a| convert_min_size(a.as_ref()))
         } else {
             size_from_param
         }
     }
     pub fn get_only_dir(&self, options: &ArgMatches) -> bool {
-        Some(true) == self.only_dir || options.is_present("only_dir")
+        Some(true) == self.only_dir || options.get_flag("only_dir")
+    }
+
+    pub fn get_print_errors(&self, options: &ArgMatches) -> bool {
+        Some(true) == self.print_errors || options.get_flag("print_errors")
     }
     pub fn get_only_file(&self, options: &ArgMatches) -> bool {
-        Some(true) == self.only_file || options.is_present("only_file")
+        Some(true) == self.only_file || options.get_flag("only_file")
     }
     pub fn get_bars_on_right(&self, options: &ArgMatches) -> bool {
-        Some(true) == self.bars_on_right || options.is_present("bars_on_right")
+        Some(true) == self.bars_on_right || options.get_flag("bars_on_right")
+    }
+    pub fn get_custom_stack_size(&self, options: &ArgMatches) -> Option<usize> {
+        let from_cmd_line = options.get_one::<usize>("stack_size");
+        if from_cmd_line.is_none() {
+            self.stack_size
+        } else {
+            from_cmd_line.copied()
+        }
+    }
+    pub fn get_threads(&self, options: &ArgMatches) -> Option<usize> {
+        let from_cmd_line = options.get_one::<usize>("threads");
+        if from_cmd_line.is_none() {
+            self.threads
+        } else {
+            from_cmd_line.copied()
+        }
+    }
+    pub fn get_output_json(&self, options: &ArgMatches) -> bool {
+        Some(true) == self.output_json || options.get_flag("output_json")
+    }
+
+    pub fn get_modified_time_operator(&self, options: &ArgMatches) -> (Operater, i64) {
+        get_filter_time_operator(
+            options.get_one::<String>("mtime"),
+            get_current_date_epoch_seconds(),
+        )
+    }
+
+    pub fn get_accessed_time_operator(&self, options: &ArgMatches) -> (Operater, i64) {
+        get_filter_time_operator(
+            options.get_one::<String>("atime"),
+            get_current_date_epoch_seconds(),
+        )
+    }
+
+    pub fn get_created_time_operator(&self, options: &ArgMatches) -> (Operater, i64) {
+        get_filter_time_operator(
+            options.get_one::<String>("ctime"),
+            get_current_date_epoch_seconds(),
+        )
     }
 }
 
-fn convert_min_size(input: &str, iso: bool) -> Option<usize> {
-    let chars_as_vec: Vec<char> = input.chars().collect();
-    match chars_as_vec.split_last() {
-        Some((last, start)) => {
-            let mut starts: String = start.iter().collect::<String>();
+fn get_current_date_epoch_seconds() -> i64 {
+    // calcurate current date epoch seconds
+    let now = Local::now();
+    let current_date = now.date_naive();
 
-            for (i, u) in UNITS.iter().rev().enumerate() {
-                if Some(*u) == last.to_uppercase().next() {
-                    return match starts.parse::<usize>() {
-                        Ok(pure) => {
-                            let num: usize = if iso { 1000 } else { 1024 };
-                            let marker = pure * num.pow((i + 1) as u32);
-                            Some(marker)
-                        }
-                        Err(_) => {
+    let current_date_time = current_date.and_hms_opt(0, 0, 0).unwrap();
+    Local
+        .from_local_datetime(&current_date_time)
+        .unwrap()
+        .timestamp()
+}
+
+fn get_filter_time_operator(
+    option_value: Option<&String>,
+    current_date_epoch_seconds: i64,
+) -> (Operater, i64) {
+    match option_value {
+        Some(val) => {
+            let time = current_date_epoch_seconds
+                - val
+                    .parse::<i64>()
+                    .unwrap_or_else(|_| panic!("invalid data format"))
+                    .abs()
+                    * DAY_SECONDS;
+            match val.chars().next().expect("Value should not be empty") {
+                '+' => (Operater::LessThan, time - DAY_SECONDS),
+                '-' => (Operater::GreaterThan, time),
+                _ => (Operater::Equal, time - DAY_SECONDS),
+            }
+        }
+        None => (Operater::GreaterThan, 0),
+    }
+}
+
+fn convert_min_size(input: &str) -> Option<usize> {
+    let re = Regex::new(r"([0-9]+)(\w*)").unwrap();
+
+    if let Some(cap) = re.captures(input) {
+        let (_, [digits, letters]) = cap.extract();
+
+        // Failure to parse should be impossible due to regex match
+        let digits_as_usize: Option<usize> = digits.parse().ok();
+
+        match digits_as_usize {
+            Some(parsed_digits) => {
+                let number_format = get_number_format(&letters.to_lowercase());
+                match number_format {
+                    Some((multiple, _)) => Some(parsed_digits * (multiple as usize)),
+                    None => {
+                        if letters.eq("") {
+                            Some(parsed_digits)
+                        } else {
                             eprintln!("Ignoring invalid min-size: {input}");
                             None
                         }
-                    };
+                    }
                 }
             }
-            starts.push(*last);
-            starts
-                .parse()
-                .map_err(|_| {
-                    eprintln!("Ignoring invalid min-size: {input}");
-                })
-                .ok()
+            None => None,
         }
-        None => None,
+    } else {
+        None
     }
 }
 
@@ -158,30 +250,45 @@ pub fn get_config() -> Config {
 mod tests {
     #[allow(unused_imports)]
     use super::*;
-    use clap::{Arg, ArgMatches, Command};
+    use chrono::{Datelike, Timelike};
+    use clap::{value_parser, Arg, ArgMatches, Command};
+
+    #[test]
+    fn test_get_current_date_epoch_seconds() {
+        let epoch_seconds = get_current_date_epoch_seconds();
+        let dt = Local.timestamp_opt(epoch_seconds, 0).unwrap();
+
+        assert_eq!(dt.hour(), 0);
+        assert_eq!(dt.minute(), 0);
+        assert_eq!(dt.second(), 0);
+        assert_eq!(dt.date_naive().day(), Local::now().date_naive().day());
+        assert_eq!(dt.date_naive().month(), Local::now().date_naive().month());
+        assert_eq!(dt.date_naive().year(), Local::now().date_naive().year());
+    }
 
     #[test]
     fn test_conversion() {
-        assert_eq!(convert_min_size("55", false), Some(55));
-        assert_eq!(convert_min_size("12344321", false), Some(12344321));
-        assert_eq!(convert_min_size("95RUBBISH", false), None);
-        assert_eq!(convert_min_size("10K", false), Some(10 * 1024));
-        assert_eq!(convert_min_size("10M", false), Some(10 * 1024usize.pow(2)));
-        assert_eq!(convert_min_size("10M", true), Some(10 * 1000usize.pow(2)));
-        assert_eq!(convert_min_size("2G", false), Some(2 * 1024usize.pow(3)));
+        assert_eq!(convert_min_size("55"), Some(55));
+        assert_eq!(convert_min_size("12344321"), Some(12344321));
+        assert_eq!(convert_min_size("95RUBBISH"), None);
+        assert_eq!(convert_min_size("10Ki"), Some(10 * 1024));
+        assert_eq!(convert_min_size("10MiB"), Some(10 * 1024usize.pow(2)));
+        assert_eq!(convert_min_size("10M"), Some(10 * 1024usize.pow(2)));
+        assert_eq!(convert_min_size("10Mb"), Some(10 * 1000usize.pow(2)));
+        assert_eq!(convert_min_size("2Gi"), Some(2 * 1024usize.pow(3)));
     }
 
     #[test]
     fn test_min_size_from_config_applied_or_overridden() {
         let c = Config {
-            min_size: Some("1K".to_owned()),
+            min_size: Some("1KiB".to_owned()),
             ..Default::default()
         };
-        assert_eq!(c._get_min_size(None, false), Some(1024));
-        assert_eq!(c._get_min_size(Some("2K"), false), Some(2048));
+        assert_eq!(c._get_min_size(None), Some(1024));
+        assert_eq!(c._get_min_size(Some(&"2KiB".into())), Some(2048));
 
-        assert_eq!(c._get_min_size(None, true), Some(1000));
-        assert_eq!(c._get_min_size(Some("2K"), true), Some(2000));
+        assert_eq!(c._get_min_size(Some(&"1kb".into())), Some(1000));
+        assert_eq!(c._get_min_size(Some(&"2KB".into())), Some(2000));
     }
 
     #[test]
@@ -215,8 +322,12 @@ mod tests {
 
     fn get_args(args: Vec<&str>) -> ArgMatches {
         Command::new("Dust")
-            .trailing_var_arg(true)
-            .arg(Arg::new("depth").long("depth").takes_value(true))
+            .arg(
+                Arg::new("depth")
+                    .long("depth")
+                    .num_args(1)
+                    .value_parser(value_parser!(usize)),
+            )
             .get_matches_from(args)
     }
 }

src/dir_walker.rs

@@ -1,10 +1,14 @@
+use std::cmp::Ordering;
 use std::fs;
 use std::sync::Arc;
+use std::sync::Mutex;
 
 use crate::node::Node;
 use crate::progress::Operation;
 use crate::progress::PAtomicInfo;
+use crate::progress::RuntimeErrors;
 use crate::progress::ORDERING;
+use crate::utils::is_filtered_out_due_to_file_time;
 use crate::utils::is_filtered_out_due_to_invert_regex;
 use crate::utils::is_filtered_out_due_to_regex;
 use rayon::iter::ParallelBridge;
@@ -18,26 +22,38 @@ use crate::node::build_node;
 use std::fs::DirEntry;
 
 use crate::platform::get_metadata;
+
+#[derive(Debug)]
+pub enum Operater {
+    Equal = 0,
+    LessThan = 1,
+    GreaterThan = 2,
+}
+
 pub struct WalkData<'a> {
     pub ignore_directories: HashSet<PathBuf>,
     pub filter_regex: &'a [Regex],
     pub invert_filter_regex: &'a [Regex],
     pub allowed_filesystems: HashSet<u64>,
+    pub filter_modified_time: (Operater, i64),
+    pub filter_accessed_time: (Operater, i64),
+    pub filter_changed_time: (Operater, i64),
     pub use_apparent_size: bool,
     pub by_filecount: bool,
     pub ignore_hidden: bool,
     pub follow_links: bool,
     pub progress_data: Arc<PAtomicInfo>,
+    pub errors: Arc<Mutex<RuntimeErrors>>,
 }
 
-pub fn walk_it(dirs: HashSet<PathBuf>, walk_data: WalkData) -> Vec<Node> {
+pub fn walk_it(dirs: HashSet<PathBuf>, walk_data: &WalkData) -> Vec<Node> {
     let mut inodes = HashSet::new();
     let top_level_nodes: Vec<_> = dirs
         .into_iter()
         .filter_map(|d| {
             let prog_data = &walk_data.progress_data;
             prog_data.clear_state(&d);
-            let node = walk(d, &walk_data, 0)?;
+            let node = walk(d, walk_data, 0)?;
 
             prog_data.state.store(Operation::PREPARING, ORDERING);
 
@@ -80,29 +96,47 @@ fn clean_inodes(
 
 fn sort_by_inode(a: &Node, b: &Node) -> std::cmp::Ordering {
     // Sorting by inode is quicker than by sorting by name/size
-    if let Some(x) = a.inode_device {
-        if let Some(y) = b.inode_device {
+    match (a.inode_device, b.inode_device) {
+        (Some(x), Some(y)) => {
             if x.0 != y.0 {
-                return x.0.cmp(&y.0);
+                x.0.cmp(&y.0)
             } else if x.1 != y.1 {
-                return x.1.cmp(&y.1);
+                x.1.cmp(&y.1)
+            } else {
+                a.name.cmp(&b.name)
             }
         }
+        (Some(_), None) => Ordering::Greater,
+        (None, Some(_)) => Ordering::Less,
+        (None, None) => a.name.cmp(&b.name),
     }
-    a.name.cmp(&b.name)
 }
 
 fn ignore_file(entry: &DirEntry, walk_data: &WalkData) -> bool {
     let is_dot_file = entry.file_name().to_str().unwrap_or("").starts_with('.');
     let is_ignored_path = walk_data.ignore_directories.contains(&entry.path());
 
-    if !walk_data.allowed_filesystems.is_empty() {
-        let size_inode_device = get_metadata(&entry.path(), false);
-
-        if let Some((_size, Some((_id, dev)))) = size_inode_device {
-            if !walk_data.allowed_filesystems.contains(&dev) {
-                return true;
-            }
+    let size_inode_device = get_metadata(entry.path(), false);
+    if let Some((_size, Some((_id, dev)), (modified_time, accessed_time, changed_time))) =
+        size_inode_device
+    {
+        if !walk_data.allowed_filesystems.is_empty()
+            && !walk_data.allowed_filesystems.contains(&dev)
+        {
+            return true;
+        }
+        if entry.path().is_file()
+            && [
+                (&walk_data.filter_modified_time, modified_time),
+                (&walk_data.filter_accessed_time, accessed_time),
+                (&walk_data.filter_changed_time, changed_time),
+            ]
+            .iter()
+            .any(|(filter_time, actual_time)| {
+                is_filtered_out_due_to_file_time(filter_time, *actual_time)
+            })
+        {
+            return true;
         }
     }
 
@@ -126,69 +160,96 @@ fn ignore_file(entry: &DirEntry, walk_data: &WalkData) -> bool {
 
 fn walk(dir: PathBuf, walk_data: &WalkData, depth: usize) -> Option<Node> {
     let prog_data = &walk_data.progress_data;
-    let mut children = vec![];
+    let errors = &walk_data.errors;
 
-    if let Ok(entries) = fs::read_dir(&dir) {
-        children = entries
-            .into_iter()
-            .par_bridge()
-            .filter_map(|entry| {
-                if let Ok(ref entry) = entry {
-                    // uncommenting the below line gives simpler code but
-                    // rayon doesn't parallelize as well giving a 3X performance drop
-                    // hence we unravel the recursion a bit
-
-                    // return walk(entry.path(), walk_data, depth)
-
-                    if !ignore_file(entry, walk_data) {
-                        if let Ok(data) = entry.file_type() {
-                            if data.is_dir() || (walk_data.follow_links && data.is_symlink()) {
-                                return walk(entry.path(), walk_data, depth + 1);
-                            }
-
-                            let node = build_node(
-                                entry.path(),
-                                vec![],
-                                walk_data.filter_regex,
-                                walk_data.invert_filter_regex,
-                                walk_data.use_apparent_size,
-                                data.is_symlink(),
-                                data.is_file(),
-                                walk_data.by_filecount,
-                                depth,
-                            );
-
-                            prog_data.num_files.fetch_add(1, ORDERING);
-                            if let Some(ref file) = node {
-                                prog_data.total_file_size.fetch_add(file.size, ORDERING);
-                            }
-
-                            return node;
-                        }
-                    }
-                } else {
-                    prog_data.no_permissions.store(true, ORDERING)
-                }
-                None
-            })
-            .collect();
-    } else if !dir.is_file() {
-        walk_data.progress_data.no_permissions.store(true, ORDERING)
+    if errors.lock().unwrap().abort {
+        return None;
     }
-    build_node(
-        dir,
-        children,
-        walk_data.filter_regex,
-        walk_data.invert_filter_regex,
-        walk_data.use_apparent_size,
-        false,
-        false,
-        walk_data.by_filecount,
-        depth,
-    )
+
+    let children = if dir.is_dir() {
+        let read_dir = fs::read_dir(&dir);
+        match read_dir {
+            Ok(entries) => {
+                entries
+                    .into_iter()
+                    .par_bridge()
+                    .filter_map(|entry| {
+                        match entry {
+                            Ok(ref entry) => {
+                                // uncommenting the below line gives simpler code but
+                                // rayon doesn't parallelize as well giving a 3X performance drop
+                                // hence we unravel the recursion a bit
+
+                                // return walk(entry.path(), walk_data, depth)
+
+                                if !ignore_file(entry, walk_data) {
+                                    if let Ok(data) = entry.file_type() {
+                                        if data.is_dir()
+                                            || (walk_data.follow_links && data.is_symlink())
+                                        {
+                                            return walk(entry.path(), walk_data, depth + 1);
+                                        }
+
+                                        let node = build_node(
+                                            entry.path(),
+                                            vec![],
+                                            data.is_symlink(),
+                                            data.is_file(),
+                                            depth,
+                                            walk_data,
+                                        );
+
+                                        prog_data.num_files.fetch_add(1, ORDERING);
+                                        if let Some(ref file) = node {
+                                            prog_data
+                                                .total_file_size
+                                                .fetch_add(file.size, ORDERING);
+                                        }
+
+                                        return node;
+                                    }
+                                }
+                            }
+                            Err(ref failed) => {
+                                let mut editable_error = errors.lock().unwrap();
+                                editable_error.no_permissions.insert(failed.to_string());
+                            }
+                        }
+                        None
+                    })
+                    .collect()
+            }
+            Err(failed) => {
+                let mut editable_error = errors.lock().unwrap();
+                match failed.kind() {
+                    std::io::ErrorKind::PermissionDenied => {
+                        editable_error
+                            .no_permissions
+                            .insert(dir.to_string_lossy().into());
+                    }
+                    std::io::ErrorKind::NotFound => {
+                        editable_error.file_not_found.insert(failed.to_string());
+                    }
+                    _ => {
+                        editable_error.unknown_error.insert(failed.to_string());
+                    }
+                }
+                vec![]
+            }
+        }
+    } else {
+        if !dir.is_file() {
+            let mut editable_error = errors.lock().unwrap();
+            let bad_file = dir.as_os_str().to_string_lossy().into();
+            editable_error.file_not_found.insert(bad_file);
+        }
+        vec![]
+    };
+    build_node(dir, children, false, false, depth, walk_data)
 }
 
 mod tests {
+
     #[allow(unused_imports)]
     use super::*;
 
@@ -226,4 +287,41 @@ mod tests {
         assert_eq!(clean_inodes(n.clone(), &mut inodes, true), Some(n.clone()));
         assert_eq!(clean_inodes(n.clone(), &mut inodes, true), Some(n.clone()));
     }
+
+    #[test]
+    fn test_total_ordering_of_sort_by_inode() {
+        use std::str::FromStr;
+
+        let a = Node {
+            name: PathBuf::from_str("a").unwrap(),
+            size: 0,
+            children: vec![],
+            inode_device: Some((3, 66310)),
+            depth: 0,
+        };
+
+        let b = Node {
+            name: PathBuf::from_str("b").unwrap(),
+            size: 0,
+            children: vec![],
+            inode_device: None,
+            depth: 0,
+        };
+
+        let c = Node {
+            name: PathBuf::from_str("c").unwrap(),
+            size: 0,
+            children: vec![],
+            inode_device: Some((1, 66310)),
+            depth: 0,
+        };
+
+        assert_eq!(sort_by_inode(&a, &b), Ordering::Greater);
+        assert_eq!(sort_by_inode(&a, &c), Ordering::Greater);
+        assert_eq!(sort_by_inode(&c, &b), Ordering::Greater);
+
+        assert_eq!(sort_by_inode(&b, &a), Ordering::Less);
+        assert_eq!(sort_by_inode(&c, &a), Ordering::Less);
+        assert_eq!(sort_by_inode(&b, &c), Ordering::Less);
+    }
 }

src/display.rs

@@ -23,7 +23,7 @@ pub struct InitialDisplayData {
     pub colors_on: bool,
     pub by_filecount: bool,
     pub is_screen_reader: bool,
-    pub iso: bool,
+    pub output_format: String,
     pub bars_on_right: bool,
 }
 
@@ -142,7 +142,7 @@ pub fn draw_it(
         let max_size = biggest.size;
         max_size.separate_with_commas().chars().count()
     } else {
-        find_biggest_size_str(root_node, idd.iso)
+        find_biggest_size_str(root_node, &idd.output_format)
     };
 
     assert!(
@@ -190,10 +190,12 @@ pub fn draw_it(
     }
 }
 
-fn find_biggest_size_str(node: &DisplayNode, iso: bool) -> usize {
-    let mut mx = human_readable_number(node.size, iso).chars().count();
+fn find_biggest_size_str(node: &DisplayNode, output_format: &str) -> usize {
+    let mut mx = human_readable_number(node.size, output_format)
+        .chars()
+        .count();
     for n in node.children.iter() {
-        mx = max(mx, find_biggest_size_str(n, iso));
+        mx = max(mx, find_biggest_size_str(n, output_format));
     }
     mx
 }
@@ -375,7 +377,7 @@ fn get_pretty_size(node: &DisplayNode, is_biggest: bool, display_data: &DisplayD
     let output = if display_data.initial.by_filecount {
         node.size.separate_with_commas()
     } else {
-        human_readable_number(node.size, display_data.initial.iso)
+        human_readable_number(node.size, &display_data.initial.output_format)
     };
     let spaces_to_add = display_data.num_chars_needed_on_left_most - output.chars().count();
     let output = " ".repeat(spaces_to_add) + output.as_str();
@@ -407,19 +409,51 @@ fn get_pretty_name(
     }
 }
 
-pub fn human_readable_number(size: u64, iso: bool) -> String {
+// If we are working with SI units or not
+pub fn get_type_of_thousand(output_str: &str) -> u64 {
+    if output_str.is_empty() {
+        1024
+    } else if output_str == "si" {
+        1000
+    } else if output_str.contains('i') || output_str.len() == 1 {
+        1024
+    } else {
+        1000
+    }
+}
+
+pub fn get_number_format(output_str: &str) -> Option<(u64, char)> {
+    if output_str.starts_with('b') {
+        return Some((1, 'B'));
+    }
     for (i, u) in UNITS.iter().enumerate() {
-        let num: u64 = if iso { 1000 } else { 1024 };
-        let marker = num.pow((UNITS.len() - i) as u32);
-        if size >= marker {
-            if size / marker < 10 {
-                return format!("{:.1}{}", (size as f32 / marker as f32), u);
-            } else {
-                return format!("{}{}", (size / marker), u);
-            }
+        if output_str.starts_with((*u).to_ascii_lowercase()) {
+            let marker = get_type_of_thousand(output_str).pow((UNITS.len() - i) as u32);
+            return Some((marker, *u));
+        }
+    }
+    None
+}
+
+pub fn human_readable_number(size: u64, output_str: &str) -> String {
+    match get_number_format(output_str) {
+        Some((x, u)) => {
+            format!("{}{}", (size / x), u)
+        }
+        None => {
+            for (i, u) in UNITS.iter().enumerate() {
+                let marker = get_type_of_thousand(output_str).pow((UNITS.len() - i) as u32);
+                if size >= marker {
+                    if size / marker < 10 {
+                        return format!("{:.1}{}", (size as f32 / marker as f32), u);
+                    } else {
+                        return format!("{}{}", (size / marker), u);
+                    }
+                }
+            }
+            format!("{size}B")
         }
     }
-    format!("{size}B")
 }
 
 mod tests {
@@ -436,7 +470,7 @@ mod tests {
             colors_on: false,
             by_filecount: false,
             is_screen_reader: false,
-            iso: false,
+            output_format: "".into(),
             bars_on_right: false,
         };
         DisplayData {
@@ -503,26 +537,43 @@ mod tests {
 
     #[test]
     fn test_human_readable_number() {
-        assert_eq!(human_readable_number(1, false), "1B");
-        assert_eq!(human_readable_number(956, false), "956B");
-        assert_eq!(human_readable_number(1004, false), "1004B");
-        assert_eq!(human_readable_number(1024, false), "1.0K");
-        assert_eq!(human_readable_number(1536, false), "1.5K");
-        assert_eq!(human_readable_number(1024 * 512, false), "512K");
-        assert_eq!(human_readable_number(1024 * 1024, false), "1.0M");
-        assert_eq!(
-            human_readable_number(1024 * 1024 * 1024 - 1, false),
-            "1023M"
-        );
-        assert_eq!(human_readable_number(1024 * 1024 * 1024 * 20, false), "20G");
-        assert_eq!(
-            human_readable_number(1024 * 1024 * 1024 * 1024, false),
-            "1.0T"
-        );
+        assert_eq!(human_readable_number(1, ""), "1B");
+        assert_eq!(human_readable_number(956, ""), "956B");
+        assert_eq!(human_readable_number(1004, ""), "1004B");
+        assert_eq!(human_readable_number(1024, ""), "1.0K");
+        assert_eq!(human_readable_number(1536, ""), "1.5K");
+        assert_eq!(human_readable_number(1024 * 512, ""), "512K");
+        assert_eq!(human_readable_number(1024 * 1024, ""), "1.0M");
+        assert_eq!(human_readable_number(1024 * 1024 * 1024 - 1, ""), "1023M");
+        assert_eq!(human_readable_number(1024 * 1024 * 1024 * 20, ""), "20G");
+        assert_eq!(human_readable_number(1024 * 1024 * 1024 * 1024, ""), "1.0T");
+    }
+
+    #[test]
+    fn test_human_readable_number_si() {
+        assert_eq!(human_readable_number(1024 * 100, ""), "100K");
+        assert_eq!(human_readable_number(1024 * 100, "si"), "102K");
+    }
+
+    // Refer to https://en.wikipedia.org/wiki/Byte#Multiple-byte_units
+    #[test]
+    fn test_human_readable_number_kb() {
+        let hrn = human_readable_number;
+        assert_eq!(hrn(1023, "b"), "1023B");
+        assert_eq!(hrn(1000 * 1000, "bytes"), "1000000B");
+        assert_eq!(hrn(1023, "kb"), "1K");
+        assert_eq!(hrn(1023, "k"), "0K");
+        assert_eq!(hrn(1023, "kib"), "0K");
+        assert_eq!(hrn(1024, "kib"), "1K");
+        assert_eq!(hrn(1024 * 512, "kib"), "512K");
+        assert_eq!(hrn(1024 * 1024, "kib"), "1024K");
+        assert_eq!(hrn(1024 * 1000 * 1000 * 20, "kib"), "20000000K");
+        assert_eq!(hrn(1024 * 1024 * 1000 * 20, "mib"), "20000M");
+        assert_eq!(hrn(1024 * 1024 * 1024 * 20, "gib"), "20G");
     }
 
     #[cfg(test)]
-    fn build_draw_data<'a>(disp: &'a DisplayData, size: u32) -> (DrawData<'a>, DisplayNode) {
+    fn build_draw_data(disp: &DisplayData, size: u32) -> (DrawData<'_>, DisplayNode) {
         let n = DisplayNode {
             name: PathBuf::from("/short"),
             size: 2_u64.pow(size),

src/display_node.rs

@@ -1,6 +1,8 @@
 use std::path::PathBuf;
 
-#[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Clone)]
+use serde::Serialize;
+
+#[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Clone, Serialize)]
 pub struct DisplayNode {
     // Note: the order of fields in important here, for PartialEq and PartialOrd
     pub size: u64,

src/main.rs

@@ -11,23 +11,27 @@ mod progress;
 mod utils;
 
 use crate::cli::build_cli;
+use crate::progress::RuntimeErrors;
+use clap::parser::ValuesRef;
 use dir_walker::WalkData;
 use display::InitialDisplayData;
 use filter::AggregateData;
 use progress::PIndicator;
-use progress::ORDERING;
+use regex::Error;
 use std::collections::HashSet;
+use std::env;
+use std::fs::read_to_string;
 use std::panic;
 use std::process;
+use std::sync::Arc;
+use std::sync::Mutex;
 use sysinfo::{System, SystemExt};
 
 use self::display::draw_it;
-use clap::Values;
 use config::get_config;
 use dir_walker::walk_it;
 use filter::get_biggest;
 use filter_type::get_all_file_types;
-use rayon::ThreadPoolBuildError;
 use regex::Regex;
 use std::cmp::max;
 use std::path::PathBuf;
@@ -38,29 +42,38 @@ use utils::simplify_dir_names;
 static DEFAULT_NUMBER_OF_LINES: usize = 30;
 static DEFAULT_TERMINAL_WIDTH: usize = 80;
 
-fn init_color(no_color: bool) -> bool {
+fn should_init_color(no_color: bool, force_color: bool) -> bool {
+    if force_color {
+        return true;
+    }
+    if no_color {
+        return false;
+    }
+    // check if NO_COLOR is set
+    // https://no-color.org/
+    if env::var_os("NO_COLOR").is_some() {
+        return false;
+    }
+    if terminal_size().is_none() {
+        // we are not in a terminal, color may not be needed
+        return false;
+    }
+    // we are in a terminal
     #[cfg(windows)]
     {
-        // If no color is already set do not print a warning message
-        if no_color {
-            true
-        } else {
-            // Required for windows 10
-            // Fails to resolve for windows 8 so disable color
-            match ansi_term::enable_ansi_support() {
-                Ok(_) => no_color,
-                Err(_) => {
-                    eprintln!(
-                    "This version of Windows does not support ANSI colors, setting no_color flag"
-                );
-                    true
-                }
+        // Required for windows 10
+        // Fails to resolve for windows 8 so disable color
+        match ansi_term::enable_ansi_support() {
+            Ok(_) => true,
+            Err(_) => {
+                eprintln!("This version of Windows does not support ANSI colors");
+                false
             }
         }
     }
     #[cfg(not(windows))]
     {
-        no_color
+        true
     }
 }
 
@@ -86,7 +99,7 @@ fn get_width_of_terminal() -> usize {
         .unwrap_or(DEFAULT_TERMINAL_WIDTH)
 }
 
-fn get_regex_value(maybe_value: Option<Values>) -> Vec<Regex> {
+fn get_regex_value(maybe_value: Option<ValuesRef<String>>) -> Vec<Regex> {
     maybe_value
         .unwrap_or_default()
         .map(|reg| {
@@ -102,142 +115,247 @@ fn main() {
     let options = build_cli().get_matches();
     let config = get_config();
 
-    let target_dirs = match options.values_of("inputs") {
-        Some(values) => values.collect(),
+    let errors = RuntimeErrors::default();
+    let error_listen_for_ctrlc = Arc::new(Mutex::new(errors));
+    let errors_for_rayon = error_listen_for_ctrlc.clone();
+    let errors_final = error_listen_for_ctrlc.clone();
+
+    ctrlc::set_handler(move || {
+        error_listen_for_ctrlc.lock().unwrap().abort = true;
+        println!("\nAborting");
+    })
+    .expect("Error setting Ctrl-C handler");
+
+    let target_dirs = match options.get_many::<String>("params") {
+        Some(values) => values.map(|v| v.as_str()).collect::<Vec<&str>>(),
         None => vec!["."],
     };
 
-    let summarize_file_types = options.is_present("types");
+    let summarize_file_types = options.get_flag("types");
 
-    let filter_regexs = get_regex_value(options.values_of("filter"));
-    let invert_filter_regexs = get_regex_value(options.values_of("invert_filter"));
+    let filter_regexs = get_regex_value(options.get_many("filter"));
+    let invert_filter_regexs = get_regex_value(options.get_many("invert_filter"));
 
-    let terminal_width = options
-        .value_of_t("width")
-        .unwrap_or_else(|_| get_width_of_terminal());
+    let terminal_width: usize = match options.get_one::<usize>("width") {
+        Some(&val) => val,
+        None => get_width_of_terminal(),
+    };
 
     let depth = config.get_depth(&options);
 
     // If depth is set, then we set the default number_of_lines to be max
     // instead of screen height
-    let default_height = if depth != usize::MAX {
-        usize::MAX
-    } else {
-        get_height_of_terminal()
+
+    let number_of_lines = match options.get_one::<usize>("number_of_lines") {
+        Some(&val) => val,
+        None => {
+            if depth != usize::MAX {
+                usize::MAX
+            } else {
+                get_height_of_terminal()
+            }
+        }
     };
 
-    let number_of_lines = options
-        .value_of("number_of_lines")
-        .and_then(|v| {
-            v.parse()
-                .map_err(|_| eprintln!("Ignoring bad value for number_of_lines"))
-                .ok()
-        })
-        .unwrap_or(default_height);
+    let is_colors = should_init_color(
+        config.get_no_colors(&options),
+        config.get_force_colors(&options),
+    );
 
-    let no_colors = init_color(config.get_no_colors(&options));
+    let ignore_directories = match options.get_many::<String>("ignore_directory") {
+        Some(values) => values
+            .map(|v| v.as_str())
+            .map(PathBuf::from)
+            .collect::<Vec<PathBuf>>(),
+        None => vec![],
+    };
 
-    let ignore_directories = options
-        .values_of("ignore_directory")
-        .unwrap_or_default()
-        .map(PathBuf::from);
+    let ignore_from_file_result = match options.get_one::<String>("ignore_all_in_file") {
+        Some(val) => read_to_string(val)
+            .unwrap()
+            .lines()
+            .map(Regex::new)
+            .collect::<Vec<Result<Regex, Error>>>(),
+        None => vec![],
+    };
+    let ignore_from_file = ignore_from_file_result
+        .into_iter()
+        .filter_map(|x| x.ok())
+        .collect::<Vec<Regex>>();
 
-    let by_filecount = options.is_present("by_filecount");
-    let limit_filesystem = options.is_present("limit_filesystem");
-    let follow_links = options.is_present("dereference_links");
+    let invert_filter_regexs = invert_filter_regexs
+        .into_iter()
+        .chain(ignore_from_file)
+        .collect::<Vec<Regex>>();
+
+    let by_filecount = options.get_flag("by_filecount");
+    let limit_filesystem = options.get_flag("limit_filesystem");
+    let follow_links = options.get_flag("dereference_links");
 
-    let simplified_dirs = simplify_dir_names(target_dirs);
     let allowed_filesystems = limit_filesystem
-        .then(|| get_filesystem_devices(simplified_dirs.iter()))
+        .then(|| get_filesystem_devices(&target_dirs))
         .unwrap_or_default();
+    let simplified_dirs = simplify_dir_names(&target_dirs);
 
     let ignored_full_path: HashSet<PathBuf> = ignore_directories
+        .into_iter()
         .flat_map(|x| simplified_dirs.iter().map(move |d| d.join(&x)))
         .collect();
 
-    let iso = config.get_iso(&options);
+    let output_format = config.get_output_format(&options);
 
     let ignore_hidden = config.get_ignore_hidden(&options);
 
     let mut indicator = PIndicator::build_me();
     if !config.get_disable_progress(&options) {
-        indicator.spawn(iso);
+        indicator.spawn(output_format.clone())
     }
 
+    let filter_modified_time = config.get_modified_time_operator(&options);
+    let filter_accessed_time = config.get_accessed_time_operator(&options);
+    let filter_changed_time = config.get_created_time_operator(&options);
+
     let walk_data = WalkData {
         ignore_directories: ignored_full_path,
         filter_regex: &filter_regexs,
         invert_filter_regex: &invert_filter_regexs,
         allowed_filesystems,
+        filter_modified_time,
+        filter_accessed_time,
+        filter_changed_time,
         use_apparent_size: config.get_apparent_size(&options),
         by_filecount,
         ignore_hidden,
         follow_links,
         progress_data: indicator.data.clone(),
+        errors: errors_for_rayon,
     };
+    let threads_to_use = config.get_threads(&options);
+    let stack_size = config.get_custom_stack_size(&options);
+    init_rayon(&stack_size, &threads_to_use);
 
-    let result = panic::catch_unwind(|| init_rayon);
-    if result.is_err() {
-        eprintln!("Problem initializing rayon, try: export RAYON_NUM_THREADS=1")
-    }
-
-    let top_level_nodes = walk_it(simplified_dirs, walk_data);
+    let top_level_nodes = walk_it(simplified_dirs, &walk_data);
 
     let tree = match summarize_file_types {
         true => get_all_file_types(&top_level_nodes, number_of_lines),
         false => {
             let agg_data = AggregateData {
-                min_size: config.get_min_size(&options, iso),
+                min_size: config.get_min_size(&options),
                 only_dir: config.get_only_dir(&options),
                 only_file: config.get_only_file(&options),
                 number_of_lines,
                 depth,
-                using_a_filter: options.values_of("filter").is_some()
-                    || options.value_of("invert_filter").is_some(),
+                using_a_filter: !filter_regexs.is_empty() || !invert_filter_regexs.is_empty(),
             };
             get_biggest(top_level_nodes, agg_data)
         }
     };
 
-    let failed_permissions = indicator.data.no_permissions.load(ORDERING);
-    indicator.stop();
     // Must have stopped indicator before we print to stderr
-    if failed_permissions {
-        eprintln!("Did not have permissions for all directories");
+    indicator.stop();
+
+    if errors_final.lock().unwrap().abort {
+        return;
+    }
+
+    let final_errors = walk_data.errors.lock().unwrap();
+    if !final_errors.file_not_found.is_empty() {
+        let err = final_errors
+            .file_not_found
+            .iter()
+            .map(|a| a.as_ref())
+            .collect::<Vec<&str>>()
+            .join(", ");
+        eprintln!("No such file or directory: {}", err);
+    }
+    if !final_errors.no_permissions.is_empty() {
+        if config.get_print_errors(&options) {
+            let err = final_errors
+                .no_permissions
+                .iter()
+                .map(|a| a.as_ref())
+                .collect::<Vec<&str>>()
+                .join(", ");
+            eprintln!("Did not have permissions for directories: {}", err);
+        } else {
+            eprintln!(
+                "Did not have permissions for all directories (add --print-errors to see errors)"
+            );
+        }
+    }
+    if !final_errors.unknown_error.is_empty() {
+        let err = final_errors
+            .unknown_error
+            .iter()
+            .map(|a| a.as_ref())
+            .collect::<Vec<&str>>()
+            .join(", ");
+        eprintln!("Unknown Error: {}", err);
     }
 
     if let Some(root_node) = tree {
         let idd = InitialDisplayData {
             short_paths: !config.get_full_paths(&options),
             is_reversed: !config.get_reverse(&options),
-            colors_on: !no_colors,
+            colors_on: is_colors,
             by_filecount,
-            iso,
             is_screen_reader: config.get_screen_reader(&options),
+            output_format,
             bars_on_right: config.get_bars_on_right(&options),
         };
-        draw_it(
-            idd,
-            config.get_no_bars(&options),
-            terminal_width,
-            &root_node,
-            config.get_skip_total(&options),
-        )
+
+        if config.get_output_json(&options) {
+            println!("{}", serde_json::to_string(&root_node).unwrap());
+        } else {
+            draw_it(
+                idd,
+                config.get_no_bars(&options),
+                terminal_width,
+                &root_node,
+                config.get_skip_total(&options),
+            )
+        }
     }
 }
 
-fn init_rayon() -> Result<(), ThreadPoolBuildError> {
-    let large_stack = usize::pow(1024, 3);
-    let mut s = System::new();
-    s.refresh_memory();
-    let available = s.available_memory();
-
-    if available > large_stack.try_into().unwrap() {
-        // Larger stack size to handle cases with lots of nested directories
-        rayon::ThreadPoolBuilder::new()
-            .stack_size(large_stack)
-            .build_global()
-    } else {
-        rayon::ThreadPoolBuilder::new().build_global()
+fn init_rayon(stack_size: &Option<usize>, threads: &Option<usize>) {
+    // Rayon seems to raise this error on 32-bit builds
+    // The global thread pool has not been initialized.: ThreadPoolBuildError { kind: GlobalPoolAlreadyInitialized }
+    if cfg!(target_pointer_width = "64") {
+        let result = panic::catch_unwind(|| build_thread_pool(*stack_size, *threads));
+        if result.is_err() {
+            eprintln!("Problem initializing rayon, try: export RAYON_NUM_THREADS=1")
+        }
     }
 }
+
+fn build_thread_pool(
+    stack: Option<usize>,
+    threads: Option<usize>,
+) -> Result<(), rayon::ThreadPoolBuildError> {
+    let mut pool = rayon::ThreadPoolBuilder::new();
+
+    if let Some(thread_count) = threads {
+        pool = pool.num_threads(thread_count);
+    }
+
+    let stack_size = match stack {
+        Some(s) => Some(s),
+        None => {
+            let large_stack = usize::pow(1024, 3);
+            let mut s = System::new();
+            s.refresh_memory();
+            // Larger stack size if possible to handle cases with lots of nested directories
+            let available = s.available_memory();
+            if available > large_stack.try_into().unwrap() {
+                Some(large_stack)
+            } else {
+                None
+            }
+        }
+    };
+    if let Some(stack_size_param) = stack_size {
+        pool = pool.stack_size(stack_size_param);
+    }
+    pool.build_global()
+}

src/node.rs

@@ -1,8 +1,9 @@
+use crate::dir_walker::WalkData;
 use crate::platform::get_metadata;
+use crate::utils::is_filtered_out_due_to_file_time;
 use crate::utils::is_filtered_out_due_to_invert_regex;
 use crate::utils::is_filtered_out_due_to_regex;
 
-use regex::Regex;
 use std::cmp::Ordering;
 use std::path::PathBuf;
 
@@ -19,14 +20,14 @@ pub struct Node {
 pub fn build_node(
     dir: PathBuf,
     children: Vec<Node>,
-    filter_regex: &[Regex],
-    invert_filter_regex: &[Regex],
-    use_apparent_size: bool,
     is_symlink: bool,
     is_file: bool,
-    by_filecount: bool,
     depth: usize,
+    walk_data: &WalkData,
 ) -> Option<Node> {
+    let use_apparent_size = walk_data.use_apparent_size;
+    let by_filecount = walk_data.by_filecount;
+
     get_metadata(&dir, use_apparent_size).map(|data| {
         let inode_device = if is_symlink && !use_apparent_size {
             None
@@ -34,11 +35,19 @@ pub fn build_node(
             data.1
         };
 
-        let size = if is_filtered_out_due_to_regex(filter_regex, &dir)
-            || is_filtered_out_due_to_invert_regex(invert_filter_regex, &dir)
+        let size = if is_filtered_out_due_to_regex(walk_data.filter_regex, &dir)
+            || is_filtered_out_due_to_invert_regex(walk_data.invert_filter_regex, &dir)
             || (is_symlink && !use_apparent_size)
             || by_filecount && !is_file
-        {
+            || [
+                (&walk_data.filter_modified_time, data.2 .0),
+                (&walk_data.filter_accessed_time, data.2 .1),
+                (&walk_data.filter_changed_time, data.2 .2),
+            ]
+            .iter()
+            .any(|(filter_time, actual_time)| {
+                is_filtered_out_due_to_file_time(filter_time, *actual_time)
+            }) {
             0
         } else if by_filecount {
             1

src/platform.rs

@@ -10,15 +10,29 @@ fn get_block_size() -> u64 {
     512
 }
 
+type InodeAndDevice = (u64, u64);
+type FileTime = (i64, i64, i64);
+
 #[cfg(target_family = "unix")]
-pub fn get_metadata(d: &Path, use_apparent_size: bool) -> Option<(u64, Option<(u64, u64)>)> {
+pub fn get_metadata<P: AsRef<Path>>(
+    path: P,
+    use_apparent_size: bool,
+) -> Option<(u64, Option<InodeAndDevice>, FileTime)> {
     use std::os::unix::fs::MetadataExt;
-    match d.metadata() {
+    match path.as_ref().metadata() {
         Ok(md) => {
             if use_apparent_size {
-                Some((md.len(), Some((md.ino(), md.dev()))))
+                Some((
+                    md.len(),
+                    Some((md.ino(), md.dev())),
+                    (md.mtime(), md.atime(), md.ctime()),
+                ))
             } else {
-                Some((md.blocks() * get_block_size(), Some((md.ino(), md.dev()))))
+                Some((
+                    md.blocks() * get_block_size(),
+                    Some((md.ino(), md.dev())),
+                    (md.mtime(), md.atime(), md.ctime()),
+                ))
             }
         }
         Err(_e) => None,
@@ -26,7 +40,10 @@ pub fn get_metadata(d: &Path, use_apparent_size: bool) -> Option<(u64, Option<(u
 }
 
 #[cfg(target_family = "windows")]
-pub fn get_metadata(d: &Path, _use_apparent_size: bool) -> Option<(u64, Option<(u64, u64)>)> {
+pub fn get_metadata<P: AsRef<Path>>(
+    path: P,
+    use_apparent_size: bool,
+) -> Option<(u64, Option<InodeAndDevice>, FileTime)> {
     // On windows opening the file to get size, file ID and volume can be very
     // expensive because 1) it causes a few system calls, and more importantly 2) it can cause
     // windows defender to scan the file.
@@ -65,7 +82,7 @@ pub fn get_metadata(d: &Path, _use_apparent_size: bool) -> Option<(u64, Option<(
 
     use std::io;
     use winapi_util::Handle;
-    fn handle_from_path_limited<P: AsRef<Path>>(path: P) -> io::Result<Handle> {
+    fn handle_from_path_limited(path: &Path) -> io::Result<Handle> {
         use std::fs::OpenOptions;
         use std::os::windows::fs::OpenOptionsExt;
         const FILE_READ_ATTRIBUTES: u32 = 0x0080;
@@ -90,20 +107,42 @@ pub fn get_metadata(d: &Path, _use_apparent_size: bool) -> Option<(u64, Option<(
         Ok(Handle::from_file(file))
     }
 
-    fn get_metadata_expensive(d: &Path) -> Option<(u64, Option<(u64, u64)>)> {
+    fn get_metadata_expensive(
+        path: &Path,
+        use_apparent_size: bool,
+    ) -> Option<(u64, Option<InodeAndDevice>, FileTime)> {
         use winapi_util::file::information;
 
-        let h = handle_from_path_limited(d).ok()?;
+        let h = handle_from_path_limited(path).ok()?;
         let info = information(&h).ok()?;
 
-        Some((
-            info.file_size(),
-            Some((info.file_index(), info.volume_serial_number())),
-        ))
+        if use_apparent_size {
+            use filesize::PathExt;
+            Some((
+                path.size_on_disk().ok()?,
+                Some((info.file_index(), info.volume_serial_number())),
+                (
+                    info.last_write_time().unwrap() as i64,
+                    info.last_access_time().unwrap() as i64,
+                    info.creation_time().unwrap() as i64,
+                ),
+            ))
+        } else {
+            Some((
+                info.file_size(),
+                Some((info.file_index(), info.volume_serial_number())),
+                (
+                    info.last_write_time().unwrap() as i64,
+                    info.last_access_time().unwrap() as i64,
+                    info.creation_time().unwrap() as i64,
+                ),
+            ))
+        }
     }
 
     use std::os::windows::fs::MetadataExt;
-    match d.metadata() {
+    let path = path.as_ref();
+    match path.metadata() {
         Ok(ref md) => {
             const FILE_ATTRIBUTE_ARCHIVE: u32 = 0x20;
             const FILE_ATTRIBUTE_READONLY: u32 = 0x01;
@@ -111,18 +150,39 @@ pub fn get_metadata(d: &Path, _use_apparent_size: bool) -> Option<(u64, Option<(
             const FILE_ATTRIBUTE_SYSTEM: u32 = 0x04;
             const FILE_ATTRIBUTE_NORMAL: u32 = 0x80;
             const FILE_ATTRIBUTE_DIRECTORY: u32 = 0x10;
-
+            const FILE_ATTRIBUTE_SPARSE_FILE: u32 = 0x00000200;
+            const FILE_ATTRIBUTE_PINNED: u32 = 0x00080000;
+            const FILE_ATTRIBUTE_UNPINNED: u32 = 0x00100000;
+            const FILE_ATTRIBUTE_RECALL_ON_OPEN: u32 = 0x00040000;
+            const FILE_ATTRIBUTE_RECALL_ON_DATA_ACCESS: u32 = 0x00400000;
+            const FILE_ATTRIBUTE_OFFLINE: u32 = 0x00001000;
+            // normally FILE_ATTRIBUTE_SPARSE_FILE would be enough, however Windows sometimes likes to mask it out. see: https://stackoverflow.com/q/54560454
+            const IS_PROBABLY_ONEDRIVE: u32 = FILE_ATTRIBUTE_SPARSE_FILE
+                | FILE_ATTRIBUTE_PINNED
+                | FILE_ATTRIBUTE_UNPINNED
+                | FILE_ATTRIBUTE_RECALL_ON_OPEN
+                | FILE_ATTRIBUTE_RECALL_ON_DATA_ACCESS
+                | FILE_ATTRIBUTE_OFFLINE;
             let attr_filtered = md.file_attributes()
                 & !(FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_SYSTEM);
-            if (attr_filtered & FILE_ATTRIBUTE_ARCHIVE) != 0
+            if ((attr_filtered & FILE_ATTRIBUTE_ARCHIVE) != 0
                 || (attr_filtered & FILE_ATTRIBUTE_DIRECTORY) != 0
-                || md.file_attributes() == FILE_ATTRIBUTE_NORMAL
+                || md.file_attributes() == FILE_ATTRIBUTE_NORMAL)
+                && !((attr_filtered & IS_PROBABLY_ONEDRIVE != 0) && use_apparent_size)
             {
-                Some((md.len(), None))
+                Some((
+                    md.len(),
+                    None,
+                    (
+                        md.last_write_time() as i64,
+                        md.last_access_time() as i64,
+                        md.creation_time() as i64,
+                    ),
+                ))
             } else {
-                get_metadata_expensive(d)
+                get_metadata_expensive(path, use_apparent_size)
             }
         }
-        _ => get_metadata_expensive(d),
+        _ => get_metadata_expensive(path, use_apparent_size),
     }
 }

src/progress.rs

@@ -1,8 +1,9 @@
 use std::{
+    collections::HashSet,
     io::Write,
     path::Path,
     sync::{
-        atomic::{AtomicBool, AtomicU64, AtomicU8, AtomicUsize, Ordering},
+        atomic::{AtomicU64, AtomicU8, AtomicUsize, Ordering},
         mpsc::{self, RecvTimeoutError, Sender},
         Arc, RwLock,
     },
@@ -55,7 +56,6 @@ pub struct PAtomicInfo {
     pub total_file_size: AtomicU64,
     pub state: AtomicU8,
     pub current_path: ThreadStringWrapper,
-    pub no_permissions: AtomicBool,
 }
 
 impl PAtomicInfo {
@@ -68,18 +68,26 @@ impl PAtomicInfo {
     }
 }
 
+#[derive(Default)]
+pub struct RuntimeErrors {
+    pub no_permissions: HashSet<String>,
+    pub file_not_found: HashSet<String>,
+    pub unknown_error: HashSet<String>,
+    pub abort: bool,
+}
+
 /* -------------------------------------------------------------------------- */
 
-fn format_preparing_str(prog_char: char, data: &PAtomicInfo, is_iso: bool) -> String {
+fn format_preparing_str(prog_char: char, data: &PAtomicInfo, output_display: &str) -> String {
     let path_in = data.current_path.get();
-    let size = human_readable_number(data.total_file_size.load(ORDERING), is_iso);
+    let size = human_readable_number(data.total_file_size.load(ORDERING), output_display);
     format!("Preparing: {path_in} {size} ... {prog_char}")
 }
 
-fn format_indexing_str(prog_char: char, data: &PAtomicInfo, is_iso: bool) -> String {
+fn format_indexing_str(prog_char: char, data: &PAtomicInfo, output_display: &str) -> String {
     let path_in = data.current_path.get();
     let file_count = data.num_files.load(ORDERING);
-    let size = human_readable_number(data.total_file_size.load(ORDERING), is_iso);
+    let size = human_readable_number(data.total_file_size.load(ORDERING), output_display);
     let file_str = format!("{file_count} files, {size}");
     format!("Indexing: {path_in} {file_str} ... {prog_char}")
 }
@@ -99,7 +107,7 @@ impl PIndicator {
         }
     }
 
-    pub fn spawn(&mut self, is_iso: bool) {
+    pub fn spawn(&mut self, output_display: String) {
         let data = self.data.clone();
         let (stop_handler, receiver) = mpsc::channel::<()>();
 
@@ -118,8 +126,8 @@ impl PIndicator {
                 let prog_char = PROGRESS_CHARS[progress_char_i];
 
                 msg = match data.state.load(ORDERING) {
-                    Operation::INDEXING => format_indexing_str(prog_char, &data, is_iso),
-                    Operation::PREPARING => format_preparing_str(prog_char, &data, is_iso),
+                    Operation::INDEXING => format_indexing_str(prog_char, &data, &output_display),
+                    Operation::PREPARING => format_preparing_str(prog_char, &data, &output_display),
                     _ => panic!("Unknown State"),
                 };
 

src/utils.rs

@@ -2,13 +2,16 @@ use platform::get_metadata;
 use std::collections::HashSet;
 use std::path::{Path, PathBuf};
 
+use crate::config::DAY_SECONDS;
+
+use crate::dir_walker::Operater;
 use crate::platform;
 use regex::Regex;
 
-pub fn simplify_dir_names<P: AsRef<Path>>(filenames: Vec<P>) -> HashSet<PathBuf> {
-    let mut top_level_names: HashSet<PathBuf> = HashSet::with_capacity(filenames.len());
+pub fn simplify_dir_names<P: AsRef<Path>>(dirs: &[P]) -> HashSet<PathBuf> {
+    let mut top_level_names: HashSet<PathBuf> = HashSet::with_capacity(dirs.len());
 
-    for t in filenames {
+    for t in dirs {
         let top_level_name = normalize_path(t);
         let mut can_add = true;
         let mut to_remove: Vec<PathBuf> = Vec::new();
@@ -31,12 +34,12 @@ pub fn simplify_dir_names<P: AsRef<Path>>(filenames: Vec<P>) -> HashSet<PathBuf>
     top_level_names
 }
 
-pub fn get_filesystem_devices<'a, P: IntoIterator<Item = &'a PathBuf>>(paths: P) -> HashSet<u64> {
+pub fn get_filesystem_devices<P: AsRef<Path>>(paths: &[P]) -> HashSet<u64> {
     // Gets the device ids for the filesystems which are used by the argument paths
     paths
-        .into_iter()
+        .iter()
         .filter_map(|p| match get_metadata(p, false) {
-            Some((_size, Some((_id, dev)))) => Some(dev),
+            Some((_size, Some((_id, dev)), _time)) => Some(dev),
             _ => None,
         })
         .collect()
@@ -62,6 +65,16 @@ pub fn is_filtered_out_due_to_regex(filter_regex: &[Regex], dir: &Path) -> bool
     }
 }
 
+pub fn is_filtered_out_due_to_file_time(filter_time: &(Operater, i64), actual_time: i64) -> bool {
+    match filter_time {
+        (Operater::Equal, bound_time) => {
+            !(actual_time >= *bound_time && actual_time < *bound_time + DAY_SECONDS)
+        }
+        (Operater::GreaterThan, bound_time) => actual_time < *bound_time,
+        (Operater::LessThan, bound_time) => actual_time > *bound_time,
+    }
+}
+
 pub fn is_filtered_out_due_to_invert_regex(filter_regex: &[Regex], dir: &Path) -> bool {
     filter_regex
         .iter()
@@ -82,15 +95,15 @@ mod tests {
     fn test_simplify_dir() {
         let mut correct = HashSet::new();
         correct.insert(PathBuf::from("a"));
-        assert_eq!(simplify_dir_names(vec!["a"]), correct);
+        assert_eq!(simplify_dir_names(&["a"]), correct);
     }
 
     #[test]
     fn test_simplify_dir_rm_subdir() {
         let mut correct = HashSet::new();
         correct.insert(["a", "b"].iter().collect::<PathBuf>());
-        assert_eq!(simplify_dir_names(vec!["a/b/c", "a/b", "a/b/d/f"]), correct);
-        assert_eq!(simplify_dir_names(vec!["a/b", "a/b/c", "a/b/d/f"]), correct);
+        assert_eq!(simplify_dir_names(&["a/b/c", "a/b", "a/b/d/f"]), correct);
+        assert_eq!(simplify_dir_names(&["a/b", "a/b/c", "a/b/d/f"]), correct);
     }
 
     #[test]
@@ -99,7 +112,7 @@ mod tests {
         correct.insert(["a", "b"].iter().collect::<PathBuf>());
         correct.insert(PathBuf::from("c"));
         assert_eq!(
-            simplify_dir_names(vec![
+            simplify_dir_names(&[
                 "a/b",
                 "a/b//",
                 "a/././b///",
@@ -118,14 +131,14 @@ mod tests {
         correct.insert(PathBuf::from("b"));
         correct.insert(["c", "a", "b"].iter().collect::<PathBuf>());
         correct.insert(["a", "b"].iter().collect::<PathBuf>());
-        assert_eq!(simplify_dir_names(vec!["a/b", "c/a/b/", "b"]), correct);
+        assert_eq!(simplify_dir_names(&["a/b", "c/a/b/", "b"]), correct);
     }
 
     #[test]
     fn test_simplify_dir_dots() {
         let mut correct = HashSet::new();
         correct.insert(PathBuf::from("src"));
-        assert_eq!(simplify_dir_names(vec!["src/."]), correct);
+        assert_eq!(simplify_dir_names(&["src/."]), correct);
     }
 
     #[test]
@@ -133,7 +146,7 @@ mod tests {
         let mut correct = HashSet::new();
         correct.insert(PathBuf::from("src"));
         correct.insert(PathBuf::from("src_v2"));
-        assert_eq!(simplify_dir_names(vec!["src/", "src_v2"]), correct);
+        assert_eq!(simplify_dir_names(&["src/", "src_v2"]), correct);
     }
 
     #[test]

tests/test_dir_hidden_entries/.hidden_file

@@ -1 +1,2 @@
-hi
+something
+.secret

tests/test_exact_output.rs

@@ -1,9 +1,11 @@
 use assert_cmd::Command;
 use std::ffi::OsStr;
-use std::str;
+use std::process::Output;
 use std::sync::Once;
+use std::{fs, io, str};
 
 static INIT: Once = Once::new();
+static UNREADABLE_DIR_PATH: &str = "/tmp/unreadable_dir";
 
 /**
  * This file contains tests that verify the exact output of the command.
@@ -33,26 +35,58 @@ fn copy_test_data(dir: &str) {
         .map_err(|err| eprintln!("Error copying directory for test setup\n{:?}", err));
 }
 
+fn create_unreadable_directory() -> io::Result<()> {
+    #[cfg(unix)]
+    {
+        use std::fs::Permissions;
+        use std::os::unix::fs::PermissionsExt;
+        fs::create_dir_all(UNREADABLE_DIR_PATH)?;
+        fs::set_permissions(UNREADABLE_DIR_PATH, Permissions::from_mode(0))?;
+    }
+    Ok(())
+}
+
 fn initialize() {
     INIT.call_once(|| {
         copy_test_data("tests/test_dir");
         copy_test_data("tests/test_dir2");
         copy_test_data("tests/test_dir_unicode");
+
+        if let Err(e) = create_unreadable_directory() {
+            panic!("Failed to create unreadable directory: {}", e);
+        }
     });
 }
 
-fn exact_output_test<T: AsRef<OsStr>>(valid_outputs: Vec<String>, command_args: Vec<T>) {
+fn run_cmd<T: AsRef<OsStr>>(command_args: &[T]) -> Output {
     initialize();
-
-    let mut a = &mut Command::cargo_bin("dust").unwrap();
-
+    let mut to_run = &mut Command::cargo_bin("dust").unwrap();
     for p in command_args {
-        a = a.arg(p);
+        to_run = to_run.arg(p);
     }
+    to_run.unwrap()
+}
 
-    let output = str::from_utf8(&a.unwrap().stdout).unwrap().to_owned();
+fn exact_stdout_test<T: AsRef<OsStr>>(command_args: &[T], valid_stdout: Vec<String>) {
+    let to_run = run_cmd(command_args);
 
-    assert!(valid_outputs.iter().any(|i| output.contains(i)));
+    let stdout_output = str::from_utf8(&to_run.stdout).unwrap().to_owned();
+    let will_fail = valid_stdout.iter().any(|i| stdout_output.contains(i));
+    if !will_fail {
+        eprintln!(
+            "output(stdout):\n{}\ndoes not contain any of:\n{}",
+            stdout_output,
+            valid_stdout.join("\n\n")
+        );
+    }
+    assert!(will_fail);
+}
+
+fn exact_stderr_test<T: AsRef<OsStr>>(command_args: &[T], valid_stderr: String) {
+    let to_run = run_cmd(command_args);
+
+    let stderr_output = str::from_utf8(&to_run.stderr).unwrap().trim();
+    assert_eq!(stderr_output, valid_stderr);
 }
 
 // "windows" result data can vary by host (size seems to be variable by one byte); fix code vs test and re-enable
@@ -60,20 +94,20 @@ fn exact_output_test<T: AsRef<OsStr>>(valid_outputs: Vec<String>, command_args:
 #[test]
 pub fn test_main_basic() {
     // -c is no color mode - This makes testing much simpler
-    exact_output_test(main_output(), vec!["-c", "-B", "/tmp/test_dir/"])
+    exact_stdout_test(&["-c", "-B", "/tmp/test_dir/"], main_output());
 }
 
 #[cfg_attr(target_os = "windows", ignore)]
 #[test]
 pub fn test_main_multi_arg() {
-    let command_args = vec![
+    let command_args = [
         "-c",
         "-B",
         "/tmp/test_dir/many/",
         "/tmp/test_dir",
         "/tmp/test_dir",
     ];
-    exact_output_test(main_output(), command_args);
+    exact_stdout_test(&command_args, main_output());
 }
 
 fn main_output() -> Vec<String> {
@@ -103,8 +137,8 @@ fn main_output() -> Vec<String> {
 #[cfg_attr(target_os = "windows", ignore)]
 #[test]
 pub fn test_main_long_paths() {
-    let command_args = vec!["-c", "-p", "-B", "/tmp/test_dir/"];
-    exact_output_test(main_output_long_paths(), command_args);
+    let command_args = ["-c", "-p", "-B", "/tmp/test_dir/"];
+    exact_stdout_test(&command_args, main_output_long_paths());
 }
 
 fn main_output_long_paths() -> Vec<String> {
@@ -131,8 +165,8 @@ fn main_output_long_paths() -> Vec<String> {
 #[cfg_attr(target_os = "windows", ignore)]
 #[test]
 pub fn test_substring_of_names_and_long_names() {
-    let command_args = vec!["-c", "-B", "/tmp/test_dir2"];
-    exact_output_test(no_substring_of_names_output(), command_args);
+    let command_args = ["-c", "-B", "/tmp/test_dir2"];
+    exact_stdout_test(&command_args, no_substring_of_names_output());
 }
 
 fn no_substring_of_names_output() -> Vec<String> {
@@ -165,8 +199,8 @@ fn no_substring_of_names_output() -> Vec<String> {
 #[cfg_attr(target_os = "windows", ignore)]
 #[test]
 pub fn test_unicode_directories() {
-    let command_args = vec!["-c", "-B", "/tmp/test_dir_unicode"];
-    exact_output_test(unicode_dir(), command_args);
+    let command_args = ["-c", "-B", "/tmp/test_dir_unicode"];
+    exact_stdout_test(&command_args, unicode_dir());
 }
 
 fn unicode_dir() -> Vec<String> {
@@ -192,18 +226,48 @@ fn unicode_dir() -> Vec<String> {
 #[cfg_attr(target_os = "windows", ignore)]
 #[test]
 pub fn test_apparent_size() {
-    let command_args = vec!["-c", "-s", "-b", "/tmp/test_dir"];
-    exact_output_test(apparent_size_output(), command_args);
+    let command_args = ["-c", "-s", "-b", "/tmp/test_dir"];
+    exact_stdout_test(&command_args, apparent_size_output());
 }
 
 fn apparent_size_output() -> Vec<String> {
     // The apparent directory sizes are too unpredictable and system dependent to try and match
-    let files = r#"
+    let one_space_before = r#"
+ 0B     ┌── a_file
+ 6B     ├── hello_file
+ "#
+    .trim()
+    .to_string();
+
+    let two_space_before = r#"
   0B     ┌── a_file
   6B     ├── hello_file
  "#
     .trim()
     .to_string();
 
-    vec![files]
+    vec![one_space_before, two_space_before]
+}
+
+#[cfg_attr(target_os = "windows", ignore)]
+#[test]
+pub fn test_permission_normal() {
+    let command_args = [UNREADABLE_DIR_PATH];
+    let permission_msg =
+        r#"Did not have permissions for all directories (add --print-errors to see errors)"#
+            .trim()
+            .to_string();
+    exact_stderr_test(&command_args, permission_msg);
+}
+
+#[cfg_attr(target_os = "windows", ignore)]
+#[test]
+pub fn test_permission_flag() {
+    // add the flag to CLI
+    let command_args = ["--print-errors", UNREADABLE_DIR_PATH];
+    let permission_msg = format!(
+        "Did not have permissions for directories: {}",
+        UNREADABLE_DIR_PATH
+    );
+    exact_stderr_test(&command_args, permission_msg);
 }

tests/test_flags.rs

@@ -59,11 +59,18 @@ pub fn test_d_flag_works() {
     assert!(!output.contains("hello_file"));
 }
 
+#[test]
+pub fn test_threads_flag_works() {
+    let output = build_command(vec!["-T", "1", "tests/test_dir/"]);
+    assert!(output.contains("hello_file"));
+}
+
 #[test]
 pub fn test_d_flag_works_and_still_recurses_down() {
     // We had a bug where running with '-d 1' would stop at the first directory and the code
     // would fail to recurse down
     let output = build_command(vec!["-d", "1", "-f", "-c", "tests/test_dir2/"]);
+    assert!(output.contains("1   ┌── dir"));
     assert!(output.contains("4 ┌─┴ test_dir2"));
 }
 
@@ -73,14 +80,25 @@ pub fn test_ignore_dir() {
     let output = build_command(vec!["-c", "-X", "dir_substring", "tests/test_dir2/"]);
     assert!(!output.contains("dir_substring"));
 }
-// Add test for multiple dirs - with -d 0 and maybe -d 1 check the
+
+#[test]
+pub fn test_ignore_all_in_file() {
+    let output = build_command(vec![
+        "-c",
+        "-I",
+        "tests/test_dir_hidden_entries/.hidden_file",
+        "tests/test_dir_hidden_entries/",
+    ]);
+    assert!(output.contains(" test_dir_hidden_entries"));
+    assert!(!output.contains(".secret"));
+}
 
 #[test]
 pub fn test_with_bad_param() {
     let mut cmd = Command::cargo_bin("dust").unwrap();
     let result = cmd.arg("bad_place").unwrap();
     let stderr = str::from_utf8(&result.stderr).unwrap();
-    assert!(stderr.contains("Did not have permissions for all directories"));
+    assert!(stderr.contains("No such file or directory"));
 }
 
 #[test]
@@ -121,9 +139,9 @@ pub fn test_show_files_by_type() {
 #[cfg(target_family = "unix")]
 pub fn test_show_files_only() {
     let output = build_command(vec!["-c", "-F", "tests/test_dir"]);
-    assert!(output.contains("tests/test_dir/many/a_file"));
-    assert!(output.contains("tests/test_dir/many/hello_file"));
-    assert!(!output.contains("tests/test_dir/many "));
+    assert!(output.contains("a_file"));
+    assert!(output.contains("hello_file"));
+    assert!(!output.contains("many"));
 }
 
 #[test]
@@ -220,3 +238,19 @@ pub fn test_show_files_by_invert_regex_match_multiple() {
     assert!(!output.contains("test_dir_unicode"));
     assert!(output.contains("many"));
 }
+
+#[test]
+pub fn test_no_color() {
+    let output = build_command(vec!["-c"]);
+    // Red is 31
+    assert!(!output.contains("\x1B[31m"));
+    assert!(!output.contains("\x1B[0m"));
+}
+
+#[test]
+pub fn test_force_color() {
+    let output = build_command(vec!["-C"]);
+    // Red is 31
+    assert!(output.contains("\x1B[31m"));
+    assert!(output.contains("\x1B[0m"));
+}