[utility] Use chmod and chown when in GNU
Same for the `lx` alias. Also update the README.md. Replace table by bulleted list so it's possible to use `|` in the text without breaking the Markdown rendering (as it did for the table).
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Eric Nielsen
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2 changed files with 31 additions and 44 deletions
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@ -1,4 +1,4 @@
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Utility
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utility
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=======
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Utility aliases and functions.
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@ -10,39 +10,31 @@ Aliases
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### ls
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| alias | command | description |
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| ----- | ------- | ----------- |
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| `ls` | `ls --group-directories-first --color=auto` | directories first, use color (applies to all ls aliases) |
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| `l` | `ls -lAh` | all files, human-readable sizes |
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| `lm` | `l | ${PAGER}` | all files, human-readable sizes, use pager |
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| `ll` | `ls -lh` | human-readable sizes |
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| `lr` | `ll -R` | human-readable sizes, recursive |
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| `lx` | `ll -XB` | human-readable sizes, sort by extension (GNU only) |
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| `lk` | `ll -Sr` | human-readable sizes, largest last |
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| `lt` | `ll -tr` | human-readable sizes, most recent last |
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| `lc` | `lt -c` | human-readable sizes, most recent last, change time |
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* `ls` lists directories first (GNU only) and with colour (applies to all aliases below).
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* `ll` lists with long format and human-readable sizes (applies to all aliases below).
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* `l` lists all files.
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* `lm` lists all files using pager.
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* `lr` lists recursively.
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* `lx` lists sorted by extension (GNU only).
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* `lk` lists sorted by largest file size last.
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* `lt` lists sorted by newest modification time last.
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* `lc` lists sorted by newest status change (ctime) last.
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### File Downloads
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Aliases `get` to ( `aria2c` || `axel` || `wget` || `curl` ).
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* `get` is short for ( `aria2c` || `axel` || `wget` || `curl` ).
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### Resource Usage
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| alias | command |
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| ----- | ------- |
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| `df` | `df -kh` |
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| `du` | `du -kh` |
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* `df` reports file system disk usage with human-readable sizes.
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* `du` reports file disk usage with human-readable sizes.
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### Condoms
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| alias | command |
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| ----- | ------- |
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| `chmod` | `chmod --preserve-root -v` |
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| `chown` | `chown --preserve-root -v` |
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| `rm` | if available, `safe-rm` |
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* `chmod` changes file mode verbosely, not operating from `/` (GNU only).
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* `chown` changes file owner verbosely, not operating from `/` (GNU only).
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* `rm` uses `safe-rm` if available.
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### Misc
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| alias | description |
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| ----- | ----------- |
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| `mkcd` | `mkdir -p` and `cd` |
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* `mkcd` creates and changes to the given directory.
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@ -18,6 +18,11 @@ if (( terminfo[colors] >= 8 )); then
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[[ -s ${HOME}/.dir_colors ]] && eval "$(dircolors --sh ${HOME}/.dir_colors)"
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alias ls='ls --group-directories-first --color=auto'
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alias lx='ll -X' # long format, sort by extension (GNU only)
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# Always wear a condom (GNU only)
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alias chmod='chmod --preserve-root -v'
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alias chown='chown --preserve-root -v'
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else
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# BSD
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@ -62,14 +67,13 @@ fi
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# ls Aliases
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#
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alias l='ls -lAh' # all files, human-readable sizes
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[[ -n ${PAGER} ]] && alias lm="l | ${PAGER}" # all files, human-readable sizes, use pager
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alias ll='ls -lh' # human-readable sizes
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alias lr='ll -R' # human-readable sizes, recursive
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alias lx='ll -XB' # human-readable sizes, sort by extension (GNU only)
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alias lk='ll -Sr' # human-readable sizes, largest last
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alias lt='ll -tr' # human-readable sizes, most recent last
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alias lc='lt -c' # human-readable sizes, most recent last, change time
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alias ll='ls -lh' # long format and human-readable sizes
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alias l='ll -A' # long format, all files
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[[ -n ${PAGER} ]] && alias lm="l | ${PAGER}" # long format, all files, use pager
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alias lr='ll -R' # long format, recursive
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alias lk='ll -Sr' # long format, largest file size last
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alias lt='ll -tr' # long format, newest modification time last
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alias lc='lt -c' # long format, newest status change (ctime) last
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#
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@ -92,19 +96,10 @@ fi
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# Resource Usage
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#
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alias df='df -kh'
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alias du='du -kh'
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alias df='df -h'
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alias du='du -h'
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#
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# Always wear a condom
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#
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if [[ ${OSTYPE} == linux* ]]; then
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alias chmod='chmod --preserve-root -v'
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alias chown='chown --preserve-root -v'
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fi
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# not aliasing rm -i, but if safe-rm is available, use condom.
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# if safe-rmdir is available, the OS is suse which has its own terrible 'safe-rm' which is not what we want
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if (( ${+commands[safe-rm]} && ! ${+commands[safe-rmdir]} )); then
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