fix: status mesages go to stderr not stdout

Progress spinner and status line are written to stderr
instead of stdout.

No longer any need to detect if stdout is being redirected.

.github/workflows/CICD.yml

@@ -45,6 +45,11 @@ jobs:
           override: true
           profile: minimal # minimal component installation (ie, no documentation)
           components: rustfmt, clippy
+      - name: Install wget for Windows
+        if: matrix.job.os == 'windows-latest'
+        run: choco install wget --no-progress
+      - name: typos-action
+        uses: crate-ci/typos@v1.28.4
       - name: "`fmt` testing"
         if: steps.vars.outputs.JOB_DO_FORMAT_TESTING
         uses: actions-rs/cargo@v1

.pre-commit-config.yaml

@@ -0,0 +1,11 @@
+repos:
+  - repo: https://github.com/doublify/pre-commit-rust
+    rev: v1.0
+    hooks:
+      - id: cargo-check
+        stages: [commit]
+      - id: fmt
+        stages: [commit]
+      - id: clippy
+        args: [--all-targets, --all-features]
+        stages: [commit]

Cargo.toml

@@ -1,9 +1,9 @@
 [package]
 name = "du-dust"
 description = "A more intuitive version of du"
-version = "1.1.1"
+version = "1.1.2"
 authors = ["bootandy <bootandy@gmail.com>", "nebkor <code@ardent.nebcorp.com>"]
-edition = "2021"
+edition = "2024"
 readme = "README.md"
 
 documentation = "https://github.com/bootandy/dust"
@@ -44,6 +44,9 @@ sysinfo = "0.27"
 ctrlc = "3.4"
 chrono = "0.4"
 
+[target.'cfg(not(target_has_atomic = "64"))'.dependencies]
+portable-atomic = "1.4"
+
 [target.'cfg(windows)'.dependencies]
 winapi-util = "0.1"
 filesize = "0.2.0"
@@ -83,6 +86,16 @@ assets = [
     "usr/share/doc/du-dust/README",
     "644",
   ],
+  [
+    "man-page/dust.1",
+    "usr/share/man/man1/dust.1",
+    "644",
+  ],
+  [
+    "completions/dust.bash",
+    "usr/share/bash-completion/completions/dust",
+    "644",
+  ],
 ]
 extended-description = """\
 Dust is meant to give you an instant overview of which directories are using

README.md

@@ -27,11 +27,17 @@ Because I want an easy way to see where my disk is being used.
 
 - `brew install dust`
 
+#### [Snap](https://ubuntu.com/core/services/guide/snaps-intro) Ubuntu and [supported systems](https://snapcraft.io/docs/installing-snapd)
+
+- `snap install dust`
+
+Note: `dust` installed through `snap` can only access files stored in the `/home` directory. See daniejstriata/dust-snap#2 for more information.
+
 #### [Pacstall](https://github.com/pacstall/pacstall) (Debian/Ubuntu)
 
 - `pacstall -I dust-bin`
 
-### Anaconda (conda-forge)
+#### Anaconda (conda-forge)
 
 - `conda install -c conda-forge dust`
 
@@ -39,6 +45,10 @@ Because I want an easy way to see where my disk is being used.
 
 - `deb-get install du-dust`
 
+#### [x-cmd](https://www.x-cmd.com/pkg/#VPContent)
+
+- `x env use dust`
+
 #### Windows:
 
 - `scoop install dust`
@@ -93,6 +103,7 @@ Usage: dust --skip-total (No total row will be displayed)
 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)
 Usage: dust --files0-from=FILE (Reads null-terminated file paths from FILE); If FILE is - then read from stdin
+Usage: dust --collapse=node-modules will keep the node-modules folder collapsed in display instead of recursively opening it
 ```
 
 ## Config file

completions/_dust

@@ -14,36 +14,40 @@ _dust() {
     fi
 
     local context curcontext="$curcontext" state line
-    _arguments "${_arguments_options[@]}" \
-'-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' \
+    _arguments "${_arguments_options[@]}" : \
+'-d+[Depth to show]:DEPTH:_default' \
+'--depth=[Depth to show]:DEPTH:_default' \
+'-T+[Number of threads to use]: :_default' \
+'--threads=[Number of threads to use]: :_default' \
+'--config=[Specify a config file to use]:FILE:_files' \
+'-n+[Number of lines of output to show. (Default is terminal_height - 10)]:NUMBER:_default' \
+'--number-of-lines=[Number of lines of output to show. (Default is terminal_height - 10)]:NUMBER:_default' \
+'*-X+[Exclude any file or directory with this path]:PATH:_files' \
+'*--ignore-directory=[Exclude any file or directory with this path]: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: ' \
+'-z+[Minimum size file to include in output]:MIN_SIZE:_default' \
+'--min-size=[Minimum size file to include in output]:MIN_SIZE:_default' \
+'(-e --filter -t --file_types)*-v+[Exclude filepaths matching this regex. To ignore png files type\: -v "\\.png\$" ]:REGEX:_default' \
+'(-e --filter -t --file_types)*--invert-filter=[Exclude filepaths matching this regex. To ignore png files type\: -v "\\.png\$" ]:REGEX:_default' \
+'(-t --file_types)*-e+[Only include filepaths matching this regex. For png files type\: -e "\\.png\$" ]:REGEX:_default' \
+'(-t --file_types)*--filter=[Only include filepaths matching this regex. For png files type\: -e "\\.png\$" ]:REGEX:_default' \
+'-w+[Specify width of output overriding the auto detection of terminal width]:WIDTH:_default' \
+'--terminal_width=[Specify width of output overriding the auto detection of terminal width]:WIDTH:_default' \
 '-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]: : ' \
+'-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:_default' \
+'--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:_default' \
+'-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, +∞)]: :_default' \
+'--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, +∞)]: :_default' \
+'-A+[just like -mtime, but based on file access time]: :_default' \
+'--atime=[just like -mtime, but based on file access time]: :_default' \
+'-y+[just like -mtime, but based on file change time]: :_default' \
+'--ctime=[just like -mtime, but based on file change time]: :_default' \
 '--files0-from=[run dust on NUL-terminated file names specified in file; if argument is -, then read names from standard input]: :_files' \
+'*--collapse=[Keep these directories collapsed]: :_files' \
+'-m+[Directory '\''size'\'' is max filetime of child files instead of disk size. while a/c/m for last accessed/changed/modified time]: :(a c m)' \
+'--filetime=[Directory '\''size'\'' is max filetime of child files instead of disk size. while a/c/m for last accessed/changed/modified time]: :(a c m)' \
 '-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]' \

completions/_dust.ps1

@@ -21,75 +21,79 @@ Register-ArgumentCompleter -Native -CommandName 'dust' -ScriptBlock {
 
     $completions = @(switch ($command) {
         '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('--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$" ')
-            [CompletionResult]::new('--invert-filter', 'invert-filter', [CompletionResultType]::ParameterName, 'Exclude filepaths matching this regex. To ignore png files type: -v "\.png$" ')
-            [CompletionResult]::new('-e', 'e', [CompletionResultType]::ParameterName, 'Only include filepaths matching this regex. For png files type: -e "\.png$" ')
-            [CompletionResult]::new('--filter', 'filter', [CompletionResultType]::ParameterName, 'Only include filepaths matching this regex. For png files type: -e "\.png$" ')
-            [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('-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('--files0-from', 'files0-from', [CompletionResultType]::ParameterName, 'run dust on NUL-terminated file names specified in file; if argument is -, then read names from standard input')
-            [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('--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')
-            [CompletionResult]::new('-s', 's', [CompletionResultType]::ParameterName, 'Use file length instead of blocks')
-            [CompletionResult]::new('--apparent-size', 'apparent-size', [CompletionResultType]::ParameterName, 'Use file length instead of blocks')
-            [CompletionResult]::new('-r', 'r', [CompletionResultType]::ParameterName, 'Print tree upside down (biggest highest)')
-            [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('--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('--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')
-            [CompletionResult]::new('--filecount', 'filecount', [CompletionResultType]::ParameterName, 'Directory ''size'' is number of child files instead of disk size')
-            [CompletionResult]::new('-i', 'i', [CompletionResultType]::ParameterName, 'Do not display hidden files')
-            [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('-P', 'P ', [CompletionResultType]::ParameterName, 'Disable the progress indication.')
-            [CompletionResult]::new('--no-progress', 'no-progress', [CompletionResultType]::ParameterName, 'Disable the progress indication.')
-            [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('--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')
+            [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('--config', '--config', [CompletionResultType]::ParameterName, 'Specify a config file 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 path')
+            [CompletionResult]::new('--ignore-directory', '--ignore-directory', [CompletionResultType]::ParameterName, 'Exclude any file or directory with this path')
+            [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$" ')
+            [CompletionResult]::new('--invert-filter', '--invert-filter', [CompletionResultType]::ParameterName, 'Exclude filepaths matching this regex. To ignore png files type: -v "\.png$" ')
+            [CompletionResult]::new('-e', '-e', [CompletionResultType]::ParameterName, 'Only include filepaths matching this regex. For png files type: -e "\.png$" ')
+            [CompletionResult]::new('--filter', '--filter', [CompletionResultType]::ParameterName, 'Only include filepaths matching this regex. For png files type: -e "\.png$" ')
+            [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('-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('--files0-from', '--files0-from', [CompletionResultType]::ParameterName, 'run dust on NUL-terminated file names specified in file; if argument is -, then read names from standard input')
+            [CompletionResult]::new('--collapse', '--collapse', [CompletionResultType]::ParameterName, 'Keep these directories collapsed')
+            [CompletionResult]::new('-m', '-m', [CompletionResultType]::ParameterName, 'Directory ''size'' is max filetime of child files instead of disk size. while a/c/m for last accessed/changed/modified time')
+            [CompletionResult]::new('--filetime', '--filetime', [CompletionResultType]::ParameterName, 'Directory ''size'' is max filetime of child files instead of disk size. while a/c/m for last accessed/changed/modified 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('--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')
+            [CompletionResult]::new('-s', '-s', [CompletionResultType]::ParameterName, 'Use file length instead of blocks')
+            [CompletionResult]::new('--apparent-size', '--apparent-size', [CompletionResultType]::ParameterName, 'Use file length instead of blocks')
+            [CompletionResult]::new('-r', '-r', [CompletionResultType]::ParameterName, 'Print tree upside down (biggest highest)')
+            [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('--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('--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')
+            [CompletionResult]::new('--filecount', '--filecount', [CompletionResultType]::ParameterName, 'Directory ''size'' is number of child files instead of disk size')
+            [CompletionResult]::new('-i', '-i', [CompletionResultType]::ParameterName, 'Do not display hidden files')
+            [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('-P', '-P ', [CompletionResultType]::ParameterName, 'Disable the progress indication.')
+            [CompletionResult]::new('--no-progress', '--no-progress', [CompletionResultType]::ParameterName, 'Disable the progress indication.')
+            [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('--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

@@ -19,7 +19,7 @@ _dust() {
 
     case "${cmd}" in
         dust)
-            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 --files0-from --help --version [PATH]..."
+            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 -m -h -V --depth --threads --config --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 --files0-from --collapse --filetime --help --version [PATH]..."
             if [[ ${cur} == -* || ${COMP_CWORD} -eq 1 ]] ; then
                 COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") )
                 return 0
@@ -41,6 +41,21 @@ _dust() {
                     COMPREPLY=($(compgen -f "${cur}"))
                     return 0
                     ;;
+                --config)
+                    local oldifs
+                    if [ -n "${IFS+x}" ]; then
+                        oldifs="$IFS"
+                    fi
+                    IFS=$'\n'
+                    COMPREPLY=($(compgen -f "${cur}"))
+                    if [ -n "${oldifs+x}" ]; then
+                        IFS="$oldifs"
+                    fi
+                    if [[ "${BASH_VERSINFO[0]}" -ge 4 ]]; then
+                        compopt -o filenames
+                    fi
+                    return 0
+                    ;;
                 --number-of-lines)
                     COMPREPLY=($(compgen -f "${cur}"))
                     return 0
@@ -59,12 +74,12 @@ _dust() {
                     ;;
                 --ignore-all-in-file)
                     local oldifs
-                    if [[ -v IFS ]]; then
+                    if [ -n "${IFS+x}" ]; then
                         oldifs="$IFS"
                     fi
                     IFS=$'\n'
                     COMPREPLY=($(compgen -f "${cur}"))
-                    if [[ -v oldifs ]]; then
+                    if [ -n "${oldifs+x}" ]; then
                         IFS="$oldifs"
                     fi
                     if [[ "${BASH_VERSINFO[0]}" -ge 4 ]]; then
@@ -74,12 +89,12 @@ _dust() {
                     ;;
                 -I)
                     local oldifs
-                    if [[ -v IFS ]]; then
+                    if [ -n "${IFS+x}" ]; then
                         oldifs="$IFS"
                     fi
                     IFS=$'\n'
                     COMPREPLY=($(compgen -f "${cur}"))
-                    if [[ -v oldifs ]]; then
+                    if [ -n "${oldifs+x}" ]; then
                         IFS="$oldifs"
                     fi
                     if [[ "${BASH_VERSINFO[0]}" -ge 4 ]]; then
@@ -163,6 +178,18 @@ _dust() {
                     COMPREPLY=($(compgen -f "${cur}"))
                     return 0
                     ;;
+                --collapse)
+                    COMPREPLY=($(compgen -f "${cur}"))
+                    return 0
+                    ;;
+                --filetime)
+                    COMPREPLY=($(compgen -W "a c m" -- "${cur}"))
+                    return 0
+                    ;;
+                -m)
+                    COMPREPLY=($(compgen -W "a c m" -- "${cur}"))
+                    return 0
+                    ;;
                 *)
                     COMPREPLY=()
                     ;;

completions/dust.elv

@@ -22,10 +22,11 @@ set edit:completion:arg-completer[dust] = {|@words|
             cand --depth 'Depth to show'
             cand -T 'Number of threads to use'
             cand --threads 'Number of threads to use'
+            cand --config 'Specify a config file 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 -X 'Exclude any file or directory with this path'
+            cand --ignore-directory 'Exclude any file or directory with this path'
             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'
@@ -47,6 +48,9 @@ set edit:completion:arg-completer[dust] = {|@words|
             cand -y 'just like -mtime, but based on file change time'
             cand --ctime 'just like -mtime, but based on file change time'
             cand --files0-from 'run dust on NUL-terminated file names specified in file; if argument is -, then read names from standard input'
+            cand --collapse 'Keep these directories collapsed'
+            cand -m 'Directory ''size'' is max filetime of child files instead of disk size. while a/c/m for last accessed/changed/modified time'
+            cand --filetime 'Directory ''size'' is max filetime of child files instead of disk size. while a/c/m for last accessed/changed/modified 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'

completions/dust.fish

@@ -1,18 +1,32 @@
 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 -l config -d 'Specify a config file to use' -r -F
 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 -F
+complete -c dust -s X -l ignore-directory -d 'Exclude any file or directory with this path' -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 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 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\t''
+b\t''
+k\t''
+m\t''
+g\t''
+t\t''
+kb\t''
+mb\t''
+gb\t''
+tb\t''"
 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 -l files0-from -d 'run dust on NUL-terminated file names specified in file; if argument is -, then read names from standard input' -r -F
+complete -c dust -l collapse -d 'Keep these directories collapsed' -r -F
+complete -c dust -s m -l filetime -d 'Directory \'size\' is max filetime of child files instead of disk size. while a/c/m for last accessed/changed/modified time' -r -f -a "a\t''
+c\t''
+m\t''"
 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'

config/config.toml

@@ -25,4 +25,4 @@ skip-total=true
 ignore-hidden=true
 
 # print sizes in powers of 1000 (e.g., 1.1G)
-iso=true
+output-format="si"

man-page/dust.1

@@ -1,10 +1,10 @@
 .ie \n(.g .ds Aq \(aq
 .el .ds Aq '
-.TH Dust 1  "Dust 1.1.1" 
+.TH Dust 1  "Dust 1.1.2" 
 .SH NAME
 Dust \- Like du but more intuitive
 .SH SYNOPSIS
-\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\-\-files0\-from\fR] [\fB\-h\fR|\fB\-\-help\fR] [\fB\-V\fR|\fB\-\-version\fR] [\fIPATH\fR] 
+\fBdust\fR [\fB\-d\fR|\fB\-\-depth\fR] [\fB\-T\fR|\fB\-\-threads\fR] [\fB\-\-config\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\-\-files0\-from\fR] [\fB\-\-collapse\fR] [\fB\-m\fR|\fB\-\-filetime\fR] [\fB\-h\fR|\fB\-\-help\fR] [\fB\-V\fR|\fB\-\-version\fR] [\fIPATH\fR] 
 .SH DESCRIPTION
 Like du but more intuitive
 .SH OPTIONS
@@ -15,6 +15,9 @@ Depth to show
 \fB\-T\fR, \fB\-\-threads\fR
 Number of threads to use
 .TP
+\fB\-\-config\fR=\fIFILE\fR
+Specify a config file 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
@@ -22,7 +25,7 @@ Number of lines of output to show. (Default is terminal_height \- 10)
 Subdirectories will not have their path shortened
 .TP
 \fB\-X\fR, \fB\-\-ignore\-directory\fR=\fIPATH\fR
-Exclude any file or directory with this name
+Exclude any file or directory with this path
 .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
@@ -115,6 +118,16 @@ just like \-mtime, but based on file change time
 \fB\-\-files0\-from\fR
 run dust on NUL\-terminated file names specified in file; if argument is \-, then read names from standard input
 .TP
+\fB\-\-collapse\fR
+Keep these directories collapsed
+.TP
+\fB\-m\fR, \fB\-\-filetime\fR
+Directory \*(Aqsize\*(Aq is max filetime of child files instead of disk size. while a/c/m for last accessed/changed/modified time
+.br
+
+.br
+[\fIpossible values: \fRa, c, m]
+.TP
 \fB\-h\fR, \fB\-\-help\fR
 Print help
 .TP
@@ -124,4 +137,4 @@ Print version
 [\fIPATH\fR]
 
 .SH VERSION
-v1.1.1
+v1.1.2

src/cli.rs

@@ -1,4 +1,4 @@
-use clap::{builder::PossibleValue, value_parser, Arg, Command};
+use clap::{Arg, Command, builder::PossibleValue, value_parser};
 
 // For single thread mode set this variable on your command line:
 // export RAYON_NUM_THREADS=1
@@ -24,6 +24,15 @@ pub fn build_cli() -> Command {
                 .help("Number of threads to use")
                 .num_args(1)
         )
+        .arg(
+            Arg::new("config")
+                .long("config")
+                .help("Specify a config file to use")
+                .value_name("FILE")
+                .value_hint(clap::ValueHint::FilePath)
+                .value_parser(value_parser!(String))
+                .num_args(1)
+        )
         .arg(
             Arg::new("number_of_lines")
                 .short('n')
@@ -47,7 +56,7 @@ pub fn build_cli() -> Command {
                 .value_name("PATH")
                 .value_hint(clap::ValueHint::AnyPath)
                 .action(clap::ArgAction::Append)
-                .help("Exclude any file or directory with this name"),
+                .help("Exclude any file or directory with this path"),
         )
         .arg(
             Arg::new("ignore_all_in_file")
@@ -294,4 +303,24 @@ pub fn build_cli() -> Command {
                 .num_args(1)
                 .help("run dust on NUL-terminated file names specified in file; if argument is -, then read names from standard input"),
         )
+        .arg(
+            Arg::new("collapse")
+                .long("collapse")
+                .value_hint(clap::ValueHint::AnyPath)
+                .value_parser(value_parser!(String))
+                .action(clap::ArgAction::Append)
+                .help("Keep these directories collapsed"),
+        )
+        .arg(
+            Arg::new("filetime")
+                .short('m')
+                .long("filetime")
+                .num_args(1)
+                .value_parser([
+                    PossibleValue::new("a").alias("accessed"),
+                    PossibleValue::new("c").alias("changed"),
+                    PossibleValue::new("m").alias("modified"),
+                ])
+                .help("Directory 'size' is max filetime of child files instead of disk size. while a/c/m for last accessed/changed/modified time"),
+        )
 }

src/config.rs

@@ -1,20 +1,19 @@
+use crate::node::FileTime;
 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::dir_walker::Operater;
+use crate::dir_walker::Operator;
 use crate::display::get_number_format;
 
 pub static DAY_SECONDS: i64 = 24 * 60 * 60;
 
 #[derive(Deserialize, Default)]
 #[serde(rename_all = "kebab-case")]
-#[serde(deny_unknown_fields)]
 pub struct Config {
     pub display_full_paths: Option<bool>,
     pub display_apparent_size: Option<bool>,
@@ -54,9 +53,7 @@ impl Config {
         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.get_flag("disable_progress")
-            || !std::io::stdout().is_terminal()
+        Some(true) == self.disable_progress || options.get_flag("disable_progress")
     }
     pub fn get_apparent_size(&self, options: &ArgMatches) -> bool {
         Some(true) == self.display_apparent_size || options.get_flag("display_apparent_size")
@@ -84,6 +81,20 @@ impl Config {
         })
         .to_lowercase()
     }
+
+    pub fn get_filetime(&self, options: &ArgMatches) -> Option<FileTime> {
+        let out_fmt = options.get_one::<String>("filetime");
+        match out_fmt {
+            None => None,
+            Some(x) => match x.as_str() {
+                "m" | "modified" => Some(FileTime::Modified),
+                "a" | "accessed" => Some(FileTime::Accessed),
+                "c" | "changed" => Some(FileTime::Changed),
+                _ => unreachable!(),
+            },
+        }
+    }
+
     pub fn get_skip_total(&self, options: &ArgMatches) -> bool {
         Some(true) == self.skip_total || options.get_flag("skip_total")
     }
@@ -145,21 +156,21 @@ impl Config {
         Some(true) == self.output_json || options.get_flag("output_json")
     }
 
-    pub fn get_modified_time_operator(&self, options: &ArgMatches) -> Option<(Operater, i64)> {
+    pub fn get_modified_time_operator(&self, options: &ArgMatches) -> Option<(Operator, i64)> {
         get_filter_time_operator(
             options.get_one::<String>("mtime"),
             get_current_date_epoch_seconds(),
         )
     }
 
-    pub fn get_accessed_time_operator(&self, options: &ArgMatches) -> Option<(Operater, i64)> {
+    pub fn get_accessed_time_operator(&self, options: &ArgMatches) -> Option<(Operator, i64)> {
         get_filter_time_operator(
             options.get_one::<String>("atime"),
             get_current_date_epoch_seconds(),
         )
     }
 
-    pub fn get_created_time_operator(&self, options: &ArgMatches) -> Option<(Operater, i64)> {
+    pub fn get_changed_time_operator(&self, options: &ArgMatches) -> Option<(Operator, i64)> {
         get_filter_time_operator(
             options.get_one::<String>("ctime"),
             get_current_date_epoch_seconds(),
@@ -168,7 +179,7 @@ impl Config {
 }
 
 fn get_current_date_epoch_seconds() -> i64 {
-    // calcurate current date epoch seconds
+    // calculate current date epoch seconds
     let now = Local::now();
     let current_date = now.date_naive();
 
@@ -182,7 +193,7 @@ fn get_current_date_epoch_seconds() -> i64 {
 fn get_filter_time_operator(
     option_value: Option<&String>,
     current_date_epoch_seconds: i64,
-) -> Option<(Operater, i64)> {
+) -> Option<(Operator, i64)> {
     match option_value {
         Some(val) => {
             let time = current_date_epoch_seconds
@@ -192,9 +203,9 @@ fn get_filter_time_operator(
                     .abs()
                     * DAY_SECONDS;
             match val.chars().next().expect("Value should not be empty") {
-                '+' => Some((Operater::LessThan, time - DAY_SECONDS)),
-                '-' => Some((Operater::GreaterThan, time)),
-                _ => Some((Operater::Equal, time - DAY_SECONDS)),
+                '+' => Some((Operator::LessThan, time - DAY_SECONDS)),
+                '-' => Some((Operator::GreaterThan, time)),
+                _ => Some((Operator::Equal, time - DAY_SECONDS)),
             }
         }
         None => None,
@@ -216,7 +227,7 @@ fn convert_min_size(input: &str) -> Option<usize> {
                 match number_format {
                     Some((multiple, _)) => Some(parsed_digits * (multiple as usize)),
                     None => {
-                        if letters.eq("") {
+                        if letters.is_empty() {
                             Some(parsed_digits)
                         } else {
                             eprintln!("Ignoring invalid min-size: {input}");
@@ -239,16 +250,33 @@ fn get_config_locations(base: &Path) -> Vec<PathBuf> {
     ]
 }
 
-pub fn get_config() -> Config {
+pub fn get_config(conf_path: Option<String>) -> Config {
+    match conf_path {
+        Some(path_str) => {
+            let path = Path::new(&path_str);
+            if path.exists() {
+                match Config::from_config_file(path) {
+                    Ok(config) => return config,
+                    Err(e) => {
+                        eprintln!("Ignoring invalid config file '{}': {}", &path.display(), e)
+                    }
+                }
+            } else {
+                eprintln!("Config file {:?} doesn't exists", &path.display());
+            }
+        }
+        None => {
             if let Some(home) = directories::BaseDirs::new() {
                 for path in get_config_locations(home.home_dir()) {
                     if path.exists() {
-                if let Ok(config) = Config::from_config_file(path) {
+                        if let Ok(config) = Config::from_config_file(&path) {
                             return config;
                         }
                     }
                 }
             }
+        }
+    }
     Config {
         ..Default::default()
     }
@@ -259,7 +287,8 @@ mod tests {
     #[allow(unused_imports)]
     use super::*;
     use chrono::{Datelike, Timelike};
-    use clap::{value_parser, Arg, ArgMatches, Command};
+    use clap::builder::PossibleValue;
+    use clap::{Arg, ArgMatches, Command, value_parser};
 
     #[test]
     fn test_get_current_date_epoch_seconds() {
@@ -338,4 +367,56 @@ mod tests {
             )
             .get_matches_from(args)
     }
+
+    #[test]
+    fn test_get_filetime() {
+        // No config and no flag.
+        let c = Config::default();
+        let args = get_filetime_args(vec!["dust"]);
+        assert_eq!(c.get_filetime(&args), None);
+
+        // Config is not defined and flag is defined as access time
+        let c = Config::default();
+        let args = get_filetime_args(vec!["dust", "--filetime", "a"]);
+        assert_eq!(c.get_filetime(&args), Some(FileTime::Accessed));
+
+        let c = Config::default();
+        let args = get_filetime_args(vec!["dust", "--filetime", "accessed"]);
+        assert_eq!(c.get_filetime(&args), Some(FileTime::Accessed));
+
+        // Config is not defined and flag is defined as modified time
+        let c = Config::default();
+        let args = get_filetime_args(vec!["dust", "--filetime", "m"]);
+        assert_eq!(c.get_filetime(&args), Some(FileTime::Modified));
+
+        let c = Config::default();
+        let args = get_filetime_args(vec!["dust", "--filetime", "modified"]);
+        assert_eq!(c.get_filetime(&args), Some(FileTime::Modified));
+
+        // Config is not defined and flag is defined as changed time
+        let c = Config::default();
+        let args = get_filetime_args(vec!["dust", "--filetime", "c"]);
+        assert_eq!(c.get_filetime(&args), Some(FileTime::Changed));
+
+        let c = Config::default();
+        let args = get_filetime_args(vec!["dust", "--filetime", "changed"]);
+        assert_eq!(c.get_filetime(&args), Some(FileTime::Changed));
+    }
+
+    fn get_filetime_args(args: Vec<&str>) -> ArgMatches {
+        Command::new("Dust")
+        .arg(
+            Arg::new("filetime")
+                .short('m')
+                .long("filetime")
+                .num_args(1)
+                .value_parser([
+                    PossibleValue::new("a").alias("accessed"),
+                    PossibleValue::new("c").alias("changed"),
+                    PossibleValue::new("m").alias("modified"),
+                ])
+                .help("Directory 'size' is max filetime of child files instead of disk size. while a/c/m for accessed/changed/modified time"),
+        )
+            .get_matches_from(args)
+    }
 }

src/dir_walker.rs

@@ -1,19 +1,21 @@
 use std::cmp::Ordering;
 use std::fs;
+use std::io::Error;
 use std::sync::Arc;
 use std::sync::Mutex;
 
 use crate::node::Node;
+use crate::progress::ORDERING;
 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;
 use rayon::prelude::ParallelIterator;
 use regex::Regex;
+use std::path::Path;
 use std::path::PathBuf;
 
 use std::collections::HashSet;
@@ -21,10 +23,11 @@ use std::collections::HashSet;
 use crate::node::build_node;
 use std::fs::DirEntry;
 
+use crate::node::FileTime;
 use crate::platform::get_metadata;
 
 #[derive(Debug)]
-pub enum Operater {
+pub enum Operator {
     Equal = 0,
     LessThan = 1,
     GreaterThan = 2,
@@ -35,11 +38,12 @@ pub struct WalkData<'a> {
     pub filter_regex: &'a [Regex],
     pub invert_filter_regex: &'a [Regex],
     pub allowed_filesystems: HashSet<u64>,
-    pub filter_modified_time: Option<(Operater, i64)>,
-    pub filter_accessed_time: Option<(Operater, i64)>,
-    pub filter_changed_time: Option<(Operater, i64)>,
+    pub filter_modified_time: Option<(Operator, i64)>,
+    pub filter_accessed_time: Option<(Operator, i64)>,
+    pub filter_changed_time: Option<(Operator, i64)>,
     pub use_apparent_size: bool,
     pub by_filecount: bool,
+    pub by_filetime: &'a Option<FileTime>,
     pub ignore_hidden: bool,
     pub follow_links: bool,
     pub progress_data: Arc<PAtomicInfo>,
@@ -57,19 +61,15 @@ pub fn walk_it(dirs: HashSet<PathBuf>, walk_data: &WalkData) -> Vec<Node> {
 
             prog_data.state.store(Operation::PREPARING, ORDERING);
 
-            clean_inodes(node, &mut inodes, walk_data.use_apparent_size)
+            clean_inodes(node, &mut inodes, walk_data)
         })
         .collect();
     top_level_nodes
 }
 
 // Remove files which have the same inode, we don't want to double count them.
-fn clean_inodes(
-    x: Node,
-    inodes: &mut HashSet<(u64, u64)>,
-    use_apparent_size: bool,
-) -> Option<Node> {
-    if !use_apparent_size {
+fn clean_inodes(x: Node, inodes: &mut HashSet<(u64, u64)>, walk_data: &WalkData) -> Option<Node> {
+    if !walk_data.use_apparent_size {
         if let Some(id) = x.inode_device {
             if !inodes.insert(id) {
                 return None;
@@ -82,12 +82,25 @@ fn clean_inodes(
     tmp.sort_by(sort_by_inode);
     let new_children: Vec<_> = tmp
         .into_iter()
-        .filter_map(|c| clean_inodes(c, inodes, use_apparent_size))
+        .filter_map(|c| clean_inodes(c, inodes, walk_data))
         .collect();
 
+    let actual_size = if walk_data.by_filetime.is_some() {
+        // If by_filetime is Some, directory 'size' is the maximum filetime among child files instead of disk size
+        new_children
+            .iter()
+            .map(|c| c.size)
+            .chain(std::iter::once(x.size))
+            .max()
+            .unwrap_or(0)
+    } else {
+        // If by_filetime is None, directory 'size' is the sum of disk sizes or file counts of child files
+        x.size + new_children.iter().map(|c| c.size).sum::<u64>()
+    };
+
     Some(Node {
         name: x.name,
-        size: x.size + new_children.iter().map(|c| c.size).sum::<u64>(),
+        size: actual_size,
         children: new_children,
         inode_device: x.inode_device,
         depth: x.depth,
@@ -112,12 +125,37 @@ fn sort_by_inode(a: &Node, b: &Node) -> std::cmp::Ordering {
     }
 }
 
+// Check if `path` is inside ignored directory
+fn is_ignored_path(path: &Path, walk_data: &WalkData) -> bool {
+    if walk_data.ignore_directories.contains(path) {
+        return true;
+    }
+
+    // Entry is inside an ignored absolute path
+    // Absolute paths should be canonicalized before being added to `WalkData.ignore_directories`
+    for ignored_path in walk_data.ignore_directories.iter() {
+        if !ignored_path.is_absolute() {
+            continue;
+        }
+        let absolute_entry_path = std::fs::canonicalize(path).unwrap_or_default();
+        if absolute_entry_path.starts_with(ignored_path) {
+            return true;
+        }
+    }
+
+    false
+}
+
 fn ignore_file(entry: &DirEntry, walk_data: &WalkData) -> bool {
+    if is_ignored_path(&entry.path(), walk_data) {
+        return true;
+    }
+
     let is_dot_file = entry.file_name().to_str().unwrap_or("").starts_with('.');
-    let is_ignored_path = walk_data.ignore_directories.contains(&entry.path());
+    let follow_links = walk_data.follow_links && entry.file_type().is_ok_and(|ft| ft.is_symlink());
 
     if !walk_data.allowed_filesystems.is_empty() {
-        let size_inode_device = get_metadata(entry.path(), false);
+        let size_inode_device = get_metadata(entry.path(), false, follow_links);
         if let Some((_size, Some((_id, dev)), _gunk)) = size_inode_device {
             if !walk_data.allowed_filesystems.contains(&dev) {
                 return true;
@@ -128,7 +166,7 @@ fn ignore_file(entry: &DirEntry, walk_data: &WalkData) -> bool {
         || walk_data.filter_modified_time.is_some()
         || walk_data.filter_changed_time.is_some()
     {
-        let size_inode_device = get_metadata(entry.path(), false);
+        let size_inode_device = get_metadata(entry.path(), false, follow_links);
         if let Some((_, _, (modified_time, accessed_time, changed_time))) = size_inode_device {
             if entry.path().is_file()
                 && [
@@ -161,17 +199,13 @@ fn ignore_file(entry: &DirEntry, walk_data: &WalkData) -> bool {
         return true;
     }
 
-    (is_dot_file && walk_data.ignore_hidden) || is_ignored_path
+    is_dot_file && walk_data.ignore_hidden
 }
 
 fn walk(dir: PathBuf, walk_data: &WalkData, depth: usize) -> Option<Node> {
     let prog_data = &walk_data.progress_data;
     let errors = &walk_data.errors;
 
-    if errors.lock().unwrap().abort {
-        return None;
-    }
-
     let children = if dir.is_dir() {
         let read_dir = fs::read_dir(&dir);
         match read_dir {
@@ -217,8 +251,9 @@ fn walk(dir: PathBuf, walk_data: &WalkData, depth: usize) -> Option<Node> {
                                 }
                             }
                             Err(ref failed) => {
-                                let mut editable_error = errors.lock().unwrap();
-                                editable_error.no_permissions.insert(failed.to_string());
+                                if handle_error_and_retry(failed, &dir, walk_data) {
+                                    return walk(dir.clone(), walk_data, depth);
+                                }
                             }
                         }
                         None
@@ -226,23 +261,13 @@ fn walk(dir: PathBuf, walk_data: &WalkData, depth: usize) -> Option<Node> {
                     .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());
-                    }
-                }
+                if handle_error_and_retry(&failed, &dir, walk_data) {
+                    return walk(dir, walk_data, depth);
+                } else {
                     vec![]
                 }
             }
+        }
     } else {
         if !dir.is_file() {
             let mut editable_error = errors.lock().unwrap();
@@ -251,7 +276,47 @@ fn walk(dir: PathBuf, walk_data: &WalkData, depth: usize) -> Option<Node> {
         }
         vec![]
     };
-    build_node(dir, children, false, false, depth, walk_data)
+    let is_symlink = if walk_data.follow_links {
+        match fs::symlink_metadata(&dir) {
+            Ok(metadata) => metadata.file_type().is_symlink(),
+            Err(_) => false,
+        }
+    } else {
+        false
+    };
+    build_node(dir, children, is_symlink, false, depth, walk_data)
+}
+
+fn handle_error_and_retry(failed: &Error, dir: &Path, walk_data: &WalkData) -> bool {
+    let mut editable_error = walk_data.errors.lock().unwrap();
+    match failed.kind() {
+        std::io::ErrorKind::PermissionDenied => {
+            editable_error
+                .no_permissions
+                .insert(dir.to_string_lossy().into());
+        }
+        std::io::ErrorKind::InvalidInput => {
+            editable_error
+                .no_permissions
+                .insert(dir.to_string_lossy().into());
+        }
+        std::io::ErrorKind::NotFound => {
+            editable_error.file_not_found.insert(failed.to_string());
+        }
+        std::io::ErrorKind::Interrupted => {
+            let mut editable_error = walk_data.errors.lock().unwrap();
+            editable_error.interrupted_error += 1;
+            if editable_error.interrupted_error > 3 {
+                panic!("Multiple Interrupted Errors occurred while scanning filesystem. Aborting");
+            } else {
+                return true;
+            }
+        }
+        _ => {
+            editable_error.unknown_error.insert(failed.to_string());
+        }
+    }
+    false
 }
 
 mod tests {
@@ -270,17 +335,43 @@ mod tests {
         }
     }
 
+    #[cfg(test)]
+    fn create_walker<'a>(use_apparent_size: bool) -> WalkData<'a> {
+        use crate::PIndicator;
+        let indicator = PIndicator::build_me();
+        WalkData {
+            ignore_directories: HashSet::new(),
+            filter_regex: &[],
+            invert_filter_regex: &[],
+            allowed_filesystems: HashSet::new(),
+            filter_modified_time: Some((Operator::GreaterThan, 0)),
+            filter_accessed_time: Some((Operator::GreaterThan, 0)),
+            filter_changed_time: Some((Operator::GreaterThan, 0)),
+            use_apparent_size,
+            by_filecount: false,
+            by_filetime: &None,
+            ignore_hidden: false,
+            follow_links: false,
+            progress_data: indicator.data.clone(),
+            errors: Arc::new(Mutex::new(RuntimeErrors::default())),
+        }
+    }
+
     #[test]
     #[allow(clippy::redundant_clone)]
     fn test_should_ignore_file() {
         let mut inodes = HashSet::new();
         let n = create_node();
+        let walkdata = create_walker(false);
 
         // First time we insert the node
-        assert_eq!(clean_inodes(n.clone(), &mut inodes, false), Some(n.clone()));
+        assert_eq!(
+            clean_inodes(n.clone(), &mut inodes, &walkdata),
+            Some(n.clone())
+        );
 
         // Second time is a duplicate - we ignore it
-        assert_eq!(clean_inodes(n.clone(), &mut inodes, false), None);
+        assert_eq!(clean_inodes(n.clone(), &mut inodes, &walkdata), None);
     }
 
     #[test]
@@ -288,10 +379,17 @@ mod tests {
     fn test_should_not_ignore_files_if_using_apparent_size() {
         let mut inodes = HashSet::new();
         let n = create_node();
+        let walkdata = create_walker(true);
 
         // If using apparent size we include Nodes, even if duplicate inodes
-        assert_eq!(clean_inodes(n.clone(), &mut inodes, true), Some(n.clone()));
-        assert_eq!(clean_inodes(n.clone(), &mut inodes, true), Some(n.clone()));
+        assert_eq!(
+            clean_inodes(n.clone(), &mut inodes, &walkdata),
+            Some(n.clone())
+        );
+        assert_eq!(
+            clean_inodes(n.clone(), &mut inodes, &walkdata),
+            Some(n.clone())
+        );
     }
 
     #[test]

src/display.rs

@@ -1,4 +1,5 @@
 use crate::display_node::DisplayNode;
+use crate::node::FileTime;
 
 use ansi_term::Colour::Red;
 use lscolors::{LsColors, Style};
@@ -7,6 +8,7 @@ use unicode_width::UnicodeWidthStr;
 
 use stfu8::encode_u8;
 
+use chrono::{DateTime, Local, TimeZone, Utc};
 use std::cmp::max;
 use std::cmp::min;
 use std::fs;
@@ -14,14 +16,16 @@ use std::iter::repeat;
 use std::path::Path;
 use thousands::Separable;
 
-pub static UNITS: [char; 4] = ['T', 'G', 'M', 'K'];
+pub static UNITS: [char; 5] = ['P', 'T', 'G', 'M', 'K'];
 static BLOCKS: [char; 5] = ['█', '▓', '▒', '░', ' '];
+const FILETIME_SHOW_LENGTH: usize = 19;
 
 pub struct InitialDisplayData {
     pub short_paths: bool,
     pub is_reversed: bool,
     pub colors_on: bool,
     pub by_filecount: bool,
+    pub by_filetime: Option<FileTime>,
     pub is_screen_reader: bool,
     pub output_format: String,
     pub bars_on_right: bool,
@@ -67,11 +71,7 @@ impl DisplayData {
 
     fn percent_size(&self, node: &DisplayNode) -> f32 {
         let result = node.size as f32 / self.base_size as f32;
-        if result.is_normal() {
-            result
-        } else {
-            0.0
-        }
+        if result.is_normal() { result } else { 0.0 }
     }
 }
 
@@ -130,17 +130,11 @@ pub fn draw_it(
     root_node: &DisplayNode,
     skip_total: bool,
 ) {
-    let biggest = match skip_total {
-        false => root_node,
-        true => root_node
-            .get_children_from_node(false)
-            .next()
-            .unwrap_or(root_node),
-    };
-
     let num_chars_needed_on_left_most = if idd.by_filecount {
-        let max_size = biggest.size;
+        let max_size = root_node.size;
         max_size.separate_with_commas().chars().count()
+    } else if idd.by_filetime.is_some() {
+        FILETIME_SHOW_LENGTH
     } else {
         find_biggest_size_str(root_node, &idd.output_format)
     };
@@ -166,7 +160,7 @@ pub fn draw_it(
     let display_data = DisplayData {
         initial: idd,
         num_chars_needed_on_left_most,
-        base_size: biggest.size,
+        base_size: root_node.size,
         longest_string_length,
         ls_colors: LsColors::from_env().unwrap_or_default(),
     };
@@ -275,7 +269,7 @@ fn clean_indentation_string(s: &str) -> String {
     is
 }
 
-fn get_printable_name<P: AsRef<Path>>(dir_name: &P, short_paths: bool) -> String {
+pub fn get_printable_name<P: AsRef<Path>>(dir_name: &P, short_paths: bool) -> String {
     let dir_name = dir_name.as_ref();
     let printable_name = {
         if short_paths {
@@ -342,6 +336,8 @@ pub fn format_string(
     if display_data.initial.is_screen_reader {
         // if screen_reader then bars is 'depth'
         format!("{pretty_name} {bars} {pretty_size}{percent}")
+    } else if display_data.initial.by_filetime.is_some() {
+        format!("{pretty_size} {indent}{pretty_name}")
     } else {
         format!("{pretty_size} {indent} {pretty_name}{percent}")
     }
@@ -376,6 +372,8 @@ fn get_name_percent(
 fn get_pretty_size(node: &DisplayNode, is_biggest: bool, display_data: &DisplayData) -> String {
     let output = if display_data.initial.by_filecount {
         node.size.separate_with_commas()
+    } else if display_data.initial.by_filetime.is_some() {
+        get_pretty_file_modified_time(node.size as i64)
     } else {
         human_readable_number(node.size, &display_data.initial.output_format)
     };
@@ -389,6 +387,14 @@ fn get_pretty_size(node: &DisplayNode, is_biggest: bool, display_data: &DisplayD
     }
 }
 
+fn get_pretty_file_modified_time(timestamp: i64) -> String {
+    let datetime: DateTime<Utc> = Utc.timestamp_opt(timestamp, 0).unwrap();
+
+    let local_datetime = datetime.with_timezone(&Local);
+
+    local_datetime.format("%Y-%m-%dT%H:%M:%S").to_string()
+}
+
 fn get_pretty_name(
     node: &DisplayNode,
     name_and_padding: String,
@@ -469,6 +475,7 @@ mod tests {
             is_reversed: false,
             colors_on: false,
             by_filecount: false,
+            by_filetime: None,
             is_screen_reader: false,
             output_format: "".into(),
             bars_on_right: false,
@@ -547,6 +554,14 @@ mod tests {
         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");
+        assert_eq!(
+            human_readable_number(1024 * 1024 * 1024 * 1024 * 234, ""),
+            "234T"
+        );
+        assert_eq!(
+            human_readable_number(1024 * 1024 * 1024 * 1024 * 1024, ""),
+            "1.0P"
+        );
     }
 
     #[test]
@@ -625,4 +640,37 @@ mod tests {
         let bar = dd.generate_bar(&n, 5);
         assert_eq!(bar, "████▓▓▓▓▓▓▓▓▓");
     }
+
+    #[test]
+    fn test_get_pretty_file_modified_time() {
+        // Create a timestamp for 2023-07-12 00:00:00 in local time
+        let local_dt = Local.with_ymd_and_hms(2023, 7, 12, 0, 0, 0).unwrap();
+        let timestamp = local_dt.timestamp();
+
+        // Format expected output
+        let expected_output = local_dt.format("%Y-%m-%dT%H:%M:%S").to_string();
+
+        assert_eq!(get_pretty_file_modified_time(timestamp), expected_output);
+
+        // Test another timestamp
+        let local_dt = Local.with_ymd_and_hms(2020, 1, 1, 12, 0, 0).unwrap();
+        let timestamp = local_dt.timestamp();
+        let expected_output = local_dt.format("%Y-%m-%dT%H:%M:%S").to_string();
+
+        assert_eq!(get_pretty_file_modified_time(timestamp), expected_output);
+
+        // Test timestamp for epoch start (1970-01-01T00:00:00)
+        let local_dt = Local.with_ymd_and_hms(1970, 1, 1, 0, 0, 0).unwrap();
+        let timestamp = local_dt.timestamp();
+        let expected_output = local_dt.format("%Y-%m-%dT%H:%M:%S").to_string();
+
+        assert_eq!(get_pretty_file_modified_time(timestamp), expected_output);
+
+        // Test a future timestamp
+        let local_dt = Local.with_ymd_and_hms(2030, 12, 25, 6, 30, 0).unwrap();
+        let timestamp = local_dt.timestamp();
+        let expected_output = local_dt.format("%Y-%m-%dT%H:%M:%S").to_string();
+
+        assert_eq!(get_pretty_file_modified_time(timestamp), expected_output);
+    }
 }

src/display_node.rs

@@ -1,8 +1,12 @@
+use std::cell::RefCell;
 use std::path::PathBuf;
 
-use serde::Serialize;
+use serde::ser::SerializeStruct;
+use serde::{Serialize, Serializer};
 
-#[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Clone, Serialize)]
+use crate::display::human_readable_number;
+
+#[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Clone)]
 pub struct DisplayNode {
     // Note: the order of fields in important here, for PartialEq and PartialOrd
     pub size: u64,
@@ -25,3 +29,30 @@ impl DisplayNode {
         out
     }
 }
+
+// Only used for -j 'json' flag combined with -o 'output_type' flag
+// Used to pass the output_type into the custom Serde serializer
+thread_local! {
+    pub static OUTPUT_TYPE: RefCell<String> = const { RefCell::new(String::new()) };
+}
+
+/*
+We need the custom Serialize incase someone uses the -o flag to pass a custom output type in
+(show size in Mb / Gb etc).
+Sadly this also necessitates a global variable OUTPUT_TYPE as we can not pass the output_type flag
+into the serialize method
+ */
+impl Serialize for DisplayNode {
+    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
+    where
+        S: Serializer,
+    {
+        let readable_size = OUTPUT_TYPE
+            .with(|output_type| human_readable_number(self.size, output_type.borrow().as_str()));
+        let mut state = serializer.serialize_struct("DisplayNode", 2)?;
+        state.serialize_field("size", &(readable_size))?;
+        state.serialize_field("name", &self.name)?;
+        state.serialize_field("children", &self.children)?;
+        state.end()
+    }
+}

src/filter.rs

@@ -1,7 +1,12 @@
+use stfu8::encode_u8;
+
+use crate::display::get_printable_name;
 use crate::display_node::DisplayNode;
+use crate::node::FileTime;
 use crate::node::Node;
 use std::collections::BinaryHeap;
 use std::collections::HashMap;
+use std::collections::HashSet;
 use std::path::Path;
 use std::path::PathBuf;
 
@@ -12,9 +17,15 @@ pub struct AggregateData {
     pub number_of_lines: usize,
     pub depth: usize,
     pub using_a_filter: bool,
+    pub short_paths: bool,
 }
 
-pub fn get_biggest(top_level_nodes: Vec<Node>, display_data: AggregateData) -> Option<DisplayNode> {
+pub fn get_biggest(
+    top_level_nodes: Vec<Node>,
+    display_data: AggregateData,
+    by_filetime: &Option<FileTime>,
+    keep_collapsed: HashSet<PathBuf>,
+) -> Option<DisplayNode> {
     if top_level_nodes.is_empty() {
         // perhaps change this, bring back Error object?
         return None;
@@ -24,14 +35,26 @@ pub fn get_biggest(top_level_nodes: Vec<Node>, display_data: AggregateData) -> O
     let root;
 
     if number_top_level_nodes > 1 {
-        let size = top_level_nodes.iter().map(|node| node.size).sum();
+        let size = if by_filetime.is_some() {
+            top_level_nodes
+                .iter()
+                .map(|node| node.size)
+                .max()
+                .unwrap_or(0)
+        } else {
+            top_level_nodes.iter().map(|node| node.size).sum()
+        };
+
+        let nodes = handle_duplicate_top_level_names(top_level_nodes, display_data.short_paths);
+
         root = Node {
             name: PathBuf::from("(total)"),
             size,
-            children: top_level_nodes,
+            children: nodes,
             inode_device: None,
             depth: 0,
         };
+
         // Always include the base nodes if we add a 'parent' (total) node
         heap = always_add_children(&display_data, &root, heap);
     } else {
@@ -39,13 +62,19 @@ pub fn get_biggest(top_level_nodes: Vec<Node>, display_data: AggregateData) -> O
         heap = add_children(&display_data, &root, heap);
     }
 
-    Some(fill_remaining_lines(heap, &root, display_data))
+    Some(fill_remaining_lines(
+        heap,
+        &root,
+        display_data,
+        keep_collapsed,
+    ))
 }
 
 pub fn fill_remaining_lines<'a>(
     mut heap: BinaryHeap<&'a Node>,
     root: &'a Node,
     display_data: AggregateData,
+    keep_collapsed: HashSet<PathBuf>,
 ) -> DisplayNode {
     let mut allowed_nodes = HashMap::new();
 
@@ -53,11 +82,15 @@ pub fn fill_remaining_lines<'a>(
         let line = heap.pop();
         match line {
             Some(line) => {
+                // If we are not doing only_file OR if we are doing
+                // only_file and it has no children (ie is a file not a dir)
                 if !display_data.only_file || line.children.is_empty() {
                     allowed_nodes.insert(line.name.as_path(), line);
                 }
+                if !keep_collapsed.contains(&line.name) {
                     heap = add_children(&display_data, line, heap);
                 }
+            }
             None => break,
         }
     }
@@ -138,3 +171,57 @@ fn build_display_node(mut new_children: Vec<DisplayNode>, current: &Node) -> Dis
         children: new_children,
     }
 }
+
+fn names_have_dup(top_level_nodes: &Vec<Node>) -> bool {
+    let mut stored = HashSet::new();
+    for node in top_level_nodes {
+        let name = get_printable_name(&node.name, true);
+        if stored.contains(&name) {
+            return true;
+        }
+        stored.insert(name);
+    }
+    false
+}
+
+fn handle_duplicate_top_level_names(top_level_nodes: Vec<Node>, short_paths: bool) -> Vec<Node> {
+    // If we have top level names that are the same - we need to tweak them:
+    if short_paths && names_have_dup(&top_level_nodes) {
+        let mut new_top_nodes = top_level_nodes.clone();
+        let mut dir_walk_up_count = 0;
+
+        while names_have_dup(&new_top_nodes) && dir_walk_up_count < 10 {
+            dir_walk_up_count += 1;
+            let mut newer = vec![];
+
+            for node in new_top_nodes.iter() {
+                let mut folders = node.name.iter().rev();
+                // Get parent folder (if second time round get grandparent and so on)
+                for _ in 0..dir_walk_up_count {
+                    folders.next();
+                }
+                match folders.next() {
+                    // Add (parent_name) to path of Node
+                    Some(data) => {
+                        let parent = encode_u8(data.as_encoded_bytes());
+                        let current_node = node.name.display();
+                        let n = Node {
+                            name: PathBuf::from(format!("{current_node}({parent})")),
+                            size: node.size,
+                            children: node.children.clone(),
+                            inode_device: node.inode_device,
+                            depth: node.depth,
+                        };
+                        newer.push(n)
+                    }
+                    // Node does not have a parent
+                    None => newer.push(node.clone()),
+                }
+            }
+            new_top_nodes = newer;
+        }
+        new_top_nodes
+    } else {
+        top_level_nodes
+    }
+}

src/filter_type.rs

@@ -1,4 +1,5 @@
 use crate::display_node::DisplayNode;
+use crate::node::FileTime;
 use crate::node::Node;
 use std::collections::HashMap;
 use std::ffi::OsStr;
@@ -10,7 +11,11 @@ struct ExtensionNode<'a> {
     extension: Option<&'a OsStr>,
 }
 
-pub fn get_all_file_types(top_level_nodes: &[Node], n: usize) -> Option<DisplayNode> {
+pub fn get_all_file_types(
+    top_level_nodes: &[Node],
+    n: usize,
+    by_filetime: &Option<FileTime>,
+) -> Option<DisplayNode> {
     let ext_nodes = {
         let mut extension_cumulative_sizes = HashMap::new();
         build_by_all_file_types(top_level_nodes, &mut extension_cumulative_sizes);
@@ -44,16 +49,27 @@ pub fn get_all_file_types(top_level_nodes: &[Node], n: usize) -> Option<DisplayN
 
     // ...then, aggregate the remaining nodes (if any) into a single  "(others)" node
     if ext_nodes_iter.len() > 0 {
+        let actual_size = if by_filetime.is_some() {
+            ext_nodes_iter.map(|node| node.size).max().unwrap_or(0)
+        } else {
+            ext_nodes_iter.map(|node| node.size).sum()
+        };
         displayed.push(DisplayNode {
             name: PathBuf::from("(others)"),
-            size: ext_nodes_iter.map(|node| node.size).sum(),
+            size: actual_size,
             children: vec![],
         });
     }
 
+    let actual_size: u64 = if by_filetime.is_some() {
+        displayed.iter().map(|node| node.size).max().unwrap_or(0)
+    } else {
+        displayed.iter().map(|node| node.size).sum()
+    };
+
     let result = DisplayNode {
         name: PathBuf::from("(total)"),
-        size: displayed.iter().map(|node| node.size).sum(),
+        size: actual_size,
         children: displayed,
     };
 

src/main.rs

@@ -24,21 +24,21 @@ use std::fs::read_to_string;
 use std::io;
 use std::panic;
 use std::process;
-use std::sync::atomic::AtomicBool;
-use std::sync::atomic::Ordering;
 use std::sync::Arc;
 use std::sync::Mutex;
 use sysinfo::{System, SystemExt};
+use utils::canonicalize_absolute_path;
 
 use self::display::draw_it;
 use config::get_config;
 use dir_walker::walk_it;
+use display_node::OUTPUT_TYPE;
 use filter::get_biggest;
 use filter_type::get_all_file_types;
 use regex::Regex;
 use std::cmp::max;
 use std::path::PathBuf;
-use terminal_size::{terminal_size, Height, Width};
+use terminal_size::{Height, Width, terminal_size};
 use utils::get_filesystem_devices;
 use utils::simplify_dir_names;
 
@@ -81,23 +81,19 @@ fn should_init_color(no_color: bool, force_color: bool) -> bool {
 }
 
 fn get_height_of_terminal() -> usize {
-    // Simplify once https://github.com/eminence/terminal-size/pull/41 is
-    // merged
     terminal_size()
         // Windows CI runners detect a terminal height of 0
-        .map(|(_, Height(h))| max(h as usize, DEFAULT_NUMBER_OF_LINES))
+        .map(|(_, Height(h))| max(h.into(), DEFAULT_NUMBER_OF_LINES))
         .unwrap_or(DEFAULT_NUMBER_OF_LINES)
         - 10
 }
 
 fn get_width_of_terminal() -> usize {
-    // Simplify once https://github.com/eminence/terminal-size/pull/41 is
-    // merged
     terminal_size()
         .map(|(Width(w), _)| match cfg!(windows) {
             // Windows CI runners detect a very low terminal width
-            true => max(w as usize, DEFAULT_TERMINAL_WIDTH),
-            false => w as usize,
+            true => max(w.into(), DEFAULT_TERMINAL_WIDTH),
+            false => w.into(),
         })
         .unwrap_or(DEFAULT_TERMINAL_WIDTH)
 }
@@ -116,25 +112,18 @@ fn get_regex_value(maybe_value: Option<ValuesRef<String>>) -> Vec<Regex> {
 
 fn main() {
     let options = build_cli().get_matches();
-    let config = get_config();
+    let config = get_config(options.get_one::<String>("config").cloned());
 
     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();
-    let is_in_listing = Arc::new(AtomicBool::new(false));
-    let cloned_is_in_listing = Arc::clone(&is_in_listing);
 
     ctrlc::set_handler(move || {
-        error_listen_for_ctrlc.lock().unwrap().abort = true;
         println!("\nAborting");
-        if cloned_is_in_listing.load(Ordering::Relaxed) {
         process::exit(1);
-        }
     })
     .expect("Error setting Ctrl-C handler");
 
-    is_in_listing.store(true, Ordering::Relaxed);
     let target_dirs = match config.get_files_from(&options) {
         Some(path) => {
             if path == "-" {
@@ -164,7 +153,6 @@ fn main() {
             None => vec![".".to_owned()],
         },
     };
-    is_in_listing.store(false, Ordering::Relaxed);
 
     let summarize_file_types = options.get_flag("types");
 
@@ -201,6 +189,7 @@ fn main() {
         Some(values) => values
             .map(|v| v.as_str())
             .map(PathBuf::from)
+            .map(canonicalize_absolute_path)
             .collect::<Vec<PathBuf>>(),
         None => vec![],
     };
@@ -224,11 +213,12 @@ fn main() {
         .collect::<Vec<Regex>>();
 
     let by_filecount = options.get_flag("by_filecount");
+    let by_filetime = config.get_filetime(&options);
     let limit_filesystem = options.get_flag("limit_filesystem");
     let follow_links = options.get_flag("dereference_links");
 
     let allowed_filesystems = limit_filesystem
-        .then(|| get_filesystem_devices(&target_dirs))
+        .then(|| get_filesystem_devices(&target_dirs, follow_links))
         .unwrap_or_default();
     let simplified_dirs = simplify_dir_names(&target_dirs);
 
@@ -246,9 +236,22 @@ fn main() {
         indicator.spawn(output_format.clone())
     }
 
+    let keep_collapsed: HashSet<PathBuf> = match options.get_many::<String>("collapse") {
+        Some(collapse) => {
+            let mut combined_dirs = HashSet::new();
+            for collapse_dir in collapse {
+                for target_dir in target_dirs.iter() {
+                    combined_dirs.insert(PathBuf::from(target_dir).join(collapse_dir));
+                }
+            }
+            combined_dirs
+        }
+        None => HashSet::new(),
+    };
+
     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 filter_changed_time = config.get_changed_time_operator(&options);
 
     let walk_data = WalkData {
         ignore_directories: ignored_full_path,
@@ -260,6 +263,7 @@ fn main() {
         filter_changed_time,
         use_apparent_size: config.get_apparent_size(&options),
         by_filecount,
+        by_filetime: &by_filetime,
         ignore_hidden,
         follow_links,
         progress_data: indicator.data.clone(),
@@ -272,7 +276,7 @@ fn main() {
     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),
+        true => get_all_file_types(&top_level_nodes, number_of_lines, &by_filetime),
         false => {
             let agg_data = AggregateData {
                 min_size: config.get_min_size(&options),
@@ -281,18 +285,15 @@ fn main() {
                 number_of_lines,
                 depth,
                 using_a_filter: !filter_regexs.is_empty() || !invert_filter_regexs.is_empty(),
+                short_paths: !config.get_full_paths(&options),
             };
-            get_biggest(top_level_nodes, agg_data)
+            get_biggest(top_level_nodes, agg_data, &by_filetime, keep_collapsed)
         }
     };
 
     // Must have stopped indicator before we print to stderr
     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
@@ -329,19 +330,23 @@ fn main() {
     }
 
     if let Some(root_node) = tree {
+        if config.get_output_json(&options) {
+            OUTPUT_TYPE.with(|wrapped| {
+                wrapped.replace(output_format);
+            });
+            println!("{}", serde_json::to_string(&root_node).unwrap());
+        } else {
             let idd = InitialDisplayData {
                 short_paths: !config.get_full_paths(&options),
                 is_reversed: !config.get_reverse(&options),
                 colors_on: is_colors,
                 by_filecount,
+                by_filetime,
                 is_screen_reader: config.get_screen_reader(&options),
                 output_format,
                 bars_on_right: config.get_bars_on_right(&options),
             };
 
-        if config.get_output_json(&options) {
-            println!("{}", serde_json::to_string(&root_node).unwrap());
-        } else {
             draw_it(
                 idd,
                 config.get_no_bars(&options),

src/node.rs

@@ -16,6 +16,13 @@ pub struct Node {
     pub depth: usize,
 }
 
+#[derive(Debug, PartialEq)]
+pub enum FileTime {
+    Modified,
+    Accessed,
+    Changed,
+}
+
 #[allow(clippy::too_many_arguments)]
 pub fn build_node(
     dir: PathBuf,
@@ -27,17 +34,18 @@ pub fn build_node(
 ) -> Option<Node> {
     let use_apparent_size = walk_data.use_apparent_size;
     let by_filecount = walk_data.by_filecount;
+    let by_filetime = &walk_data.by_filetime;
 
-    get_metadata(&dir, use_apparent_size).map(|data| {
-        let inode_device = if is_symlink && !use_apparent_size {
-            None
-        } else {
-            data.1
-        };
+    get_metadata(
+        &dir,
+        use_apparent_size,
+        walk_data.follow_links && is_symlink,
+    )
+    .map(|data| {
+        let inode_device = data.1;
 
         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),
@@ -51,6 +59,13 @@ pub fn build_node(
             0
         } else if by_filecount {
             1
+        } else if by_filetime.is_some() {
+            match by_filetime {
+                Some(FileTime::Modified) => data.2.0.unsigned_abs(),
+                Some(FileTime::Accessed) => data.2.1.unsigned_abs(),
+                Some(FileTime::Changed) => data.2.2.unsigned_abs(),
+                None => unreachable!(),
+            }
         } else {
             data.0
         };

src/platform.rs

@@ -17,9 +17,15 @@ type FileTime = (i64, i64, i64);
 pub fn get_metadata<P: AsRef<Path>>(
     path: P,
     use_apparent_size: bool,
+    follow_links: bool,
 ) -> Option<(u64, Option<InodeAndDevice>, FileTime)> {
     use std::os::unix::fs::MetadataExt;
-    match path.as_ref().metadata() {
+    let metadata = if follow_links {
+        path.as_ref().metadata()
+    } else {
+        path.as_ref().symlink_metadata()
+    };
+    match metadata {
         Ok(md) => {
             if use_apparent_size {
                 Some((
@@ -43,6 +49,7 @@ pub fn get_metadata<P: AsRef<Path>>(
 pub fn get_metadata<P: AsRef<Path>>(
     path: P,
     use_apparent_size: bool,
+    follow_links: 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
@@ -142,7 +149,12 @@ pub fn get_metadata<P: AsRef<Path>>(
 
     use std::os::windows::fs::MetadataExt;
     let path = path.as_ref();
-    match path.metadata() {
+    let metadata = if follow_links {
+        path.metadata()
+    } else {
+        path.symlink_metadata()
+    };
+    match metadata {
         Ok(ref md) => {
             const FILE_ATTRIBUTE_ARCHIVE: u32 = 0x20;
             const FILE_ATTRIBUTE_READONLY: u32 = 0x01;

src/progress.rs

@@ -3,14 +3,19 @@ use std::{
     io::Write,
     path::Path,
     sync::{
-        atomic::{AtomicU64, AtomicU8, AtomicUsize, Ordering},
-        mpsc::{self, RecvTimeoutError, Sender},
         Arc, RwLock,
+        atomic::{AtomicU8, AtomicUsize, Ordering},
+        mpsc::{self, RecvTimeoutError, Sender},
     },
     thread::JoinHandle,
     time::Duration,
 };
 
+#[cfg(not(target_has_atomic = "64"))]
+use portable_atomic::AtomicU64;
+#[cfg(target_has_atomic = "64")]
+use std::sync::atomic::AtomicU64;
+
 use crate::display::human_readable_number;
 
 /* -------------------------------------------------------------------------- */
@@ -73,7 +78,7 @@ pub struct RuntimeErrors {
     pub no_permissions: HashSet<String>,
     pub file_not_found: HashSet<String>,
     pub unknown_error: HashSet<String>,
-    pub abort: bool,
+    pub interrupted_error: i32,
 }
 
 /* -------------------------------------------------------------------------- */
@@ -113,7 +118,7 @@ impl PIndicator {
 
         let time_info_thread = std::thread::spawn(move || {
             let mut progress_char_i: usize = 0;
-            let mut stdout = std::io::stdout();
+            let mut stderr = std::io::stderr();
             let mut msg = "".to_string();
 
             // While the timeout triggers we go round the loop
@@ -122,7 +127,8 @@ impl PIndicator {
                 receiver.recv_timeout(Duration::from_millis(SPINNER_SLEEP_TIME))
             {
                 // Clear the text written by 'write!'& Return at the start of line
-                print!("\r{:width$}", " ", width = msg.len());
+                let clear = format!("\r{:width$}", " ", width = msg.len());
+                write!(stderr, "{clear}").unwrap();
                 let prog_char = PROGRESS_CHARS[progress_char_i];
 
                 msg = match data.state.load(ORDERING) {
@@ -131,15 +137,17 @@ impl PIndicator {
                     _ => panic!("Unknown State"),
                 };
 
-                write!(stdout, "\r{msg}").unwrap();
-                stdout.flush().unwrap();
+                write!(stderr, "\r{msg}").unwrap();
+                stderr.flush().unwrap();
 
                 progress_char_i += 1;
                 progress_char_i %= PROGRESS_CHARS_LEN;
             }
-            print!("\r{:width$}", " ", width = msg.len());
-            print!("\r");
-            stdout.flush().unwrap();
+
+            let clear = format!("\r{:width$}", " ", width = msg.len());
+            write!(stderr, "{clear}").unwrap();
+            write!(stderr, "\r").unwrap();
+            stderr.flush().unwrap();
         });
         self.thread = Some((stop_handler, time_info_thread))
     }

src/utils.rs

@@ -4,7 +4,7 @@ use std::path::{Path, PathBuf};
 
 use crate::config::DAY_SECONDS;
 
-use crate::dir_walker::Operater;
+use crate::dir_walker::Operator;
 use crate::platform;
 use regex::Regex;
 
@@ -34,13 +34,25 @@ pub fn simplify_dir_names<P: AsRef<Path>>(dirs: &[P]) -> HashSet<PathBuf> {
     top_level_names
 }
 
-pub fn get_filesystem_devices<P: AsRef<Path>>(paths: &[P]) -> HashSet<u64> {
+pub fn get_filesystem_devices<P: AsRef<Path>>(paths: &[P], follow_links: bool) -> HashSet<u64> {
+    use std::fs;
     // Gets the device ids for the filesystems which are used by the argument paths
     paths
         .iter()
-        .filter_map(|p| match get_metadata(p, false) {
+        .filter_map(|p| {
+            let follow_links = if follow_links {
+                // slow path: If dereference-links is set, then we check if the file is a symbolic link
+                match fs::symlink_metadata(p) {
+                    Ok(metadata) => metadata.file_type().is_symlink(),
+                    Err(_) => false,
+                }
+            } else {
+                false
+            };
+            match get_metadata(p, false, follow_links) {
                 Some((_size, Some((_id, dev)), _time)) => Some(dev),
                 _ => None,
+            }
         })
         .collect()
 }
@@ -55,6 +67,17 @@ pub fn normalize_path<P: AsRef<Path>>(path: P) -> PathBuf {
     path.as_ref().components().collect()
 }
 
+// Canonicalize the path only if it is an absolute path
+pub fn canonicalize_absolute_path(path: PathBuf) -> PathBuf {
+    if !path.is_absolute() {
+        return path;
+    }
+    match std::fs::canonicalize(&path) {
+        Ok(canonicalized_path) => canonicalized_path,
+        Err(_) => path,
+    }
+}
+
 pub fn is_filtered_out_due_to_regex(filter_regex: &[Regex], dir: &Path) -> bool {
     if filter_regex.is_empty() {
         false
@@ -66,16 +89,16 @@ 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: &Option<(Operater, i64)>,
+    filter_time: &Option<(Operator, i64)>,
     actual_time: i64,
 ) -> bool {
     match filter_time {
         None => false,
-        Some((Operater::Equal, bound_time)) => {
+        Some((Operator::Equal, bound_time)) => {
             !(actual_time >= *bound_time && actual_time < *bound_time + DAY_SECONDS)
         }
-        Some((Operater::GreaterThan, bound_time)) => actual_time < *bound_time,
-        Some((Operater::LessThan, bound_time)) => actual_time > *bound_time,
+        Some((Operator::GreaterThan, bound_time)) => actual_time < *bound_time,
+        Some((Operator::LessThan, bound_time)) => actual_time > *bound_time,
     }
 }
 

tests/test_flags.rs

@@ -10,6 +10,9 @@ use std::str;
 
 fn build_command<T: AsRef<OsStr>>(command_args: Vec<T>) -> String {
     let mut cmd = &mut Command::cargo_bin("dust").unwrap();
+    // Hide progress bar
+    cmd = cmd.arg("-P");
+
     for p in command_args {
         cmd = cmd.arg(p);
     }
@@ -254,3 +257,26 @@ pub fn test_force_color() {
     assert!(output.contains("\x1B[31m"));
     assert!(output.contains("\x1B[0m"));
 }
+
+#[test]
+pub fn test_collapse() {
+    let output = build_command(vec!["--collapse", "many", "tests/test_dir/"]);
+    assert!(output.contains("many"));
+    assert!(!output.contains("hello_file"));
+}
+
+#[test]
+pub fn test_handle_duplicate_names() {
+    // Check that even if we run on a multiple directories with the same name
+    // we still show the distinct parent dir in the output
+    let output = build_command(vec![
+        "tests/test_dir_matching/dave/dup_name",
+        "tests/test_dir_matching/andy/dup_name",
+        "ci",
+    ]);
+    assert!(output.contains("andy"));
+    assert!(output.contains("dave"));
+    assert!(output.contains("ci"));
+    assert!(output.contains("dup_name"));
+    assert!(!output.contains("test_dir_matching"));
+}