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[utility] Use chmod and chown when in GNU

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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).
This commit is contained in:
Eric Nielsen 2018-05-16 19:05:55 -05:00
parent e38b44cd7f
commit 855c488b13
2 changed files with 31 additions and 44 deletions
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42
modules/utility/README.md
View file

@ -1,4 +1,4 @@
Utility utility
======= =======
Utility aliases and functions. Utility aliases and functions.
@ -10,39 +10,31 @@ Aliases
### ls ### ls
| alias | command | description | * `ls` lists directories first (GNU only) and with colour (applies to all aliases below).
| ----- | ------- | ----------- | * `ll` lists with long format and human-readable sizes (applies to all aliases below).
| `ls` | `ls --group-directories-first --color=auto` | directories first, use color (applies to all ls aliases) | * `l` lists all files.
| `l` | `ls -lAh` | all files, human-readable sizes | * `lm` lists all files using pager.
| `lm` | `l | ${PAGER}` | all files, human-readable sizes, use pager | * `lr` lists recursively.
| `ll` | `ls -lh` | human-readable sizes | * `lx` lists sorted by extension (GNU only).
| `lr` | `ll -R` | human-readable sizes, recursive | * `lk` lists sorted by largest file size last.
| `lx` | `ll -XB` | human-readable sizes, sort by extension (GNU only) | * `lt` lists sorted by newest modification time last.
| `lk` | `ll -Sr` | human-readable sizes, largest last | * `lc` lists sorted by newest status change (ctime) last.
| `lt` | `ll -tr` | human-readable sizes, most recent last |
| `lc` | `lt -c` | human-readable sizes, most recent last, change time |
### File Downloads ### File Downloads
Aliases `get` to ( `aria2c` || `axel` || `wget` || `curl` ). * `get` is short for ( `aria2c` || `axel` || `wget` || `curl` ).
### Resource Usage ### Resource Usage
| alias | command | * `df` reports file system disk usage with human-readable sizes.
| ----- | ------- | * `du` reports file disk usage with human-readable sizes.
| `df` | `df -kh` |
| `du` | `du -kh` |
### Condoms ### Condoms
| alias | command | * `chmod` changes file mode verbosely, not operating from `/` (GNU only).
| ----- | ------- | * `chown` changes file owner verbosely, not operating from `/` (GNU only).
| `chmod` | `chmod --preserve-root -v` | * `rm` uses `safe-rm` if available.
| `chown` | `chown --preserve-root -v` |
| `rm` | if available, `safe-rm` |
### Misc ### Misc
| alias | description | * `mkcd` creates and changes to the given directory.
| ----- | ----------- |
| `mkcd` | `mkdir -p` and `cd` |

33
modules/utility/init.zsh
View file

@ -18,6 +18,11 @@ if (( terminfo[colors] >= 8 )); then
[[ -s ${HOME}/.dir_colors ]] && eval "$(dircolors --sh ${HOME}/.dir_colors)" [[ -s ${HOME}/.dir_colors ]] && eval "$(dircolors --sh ${HOME}/.dir_colors)"
alias ls='ls --group-directories-first --color=auto' alias ls='ls --group-directories-first --color=auto'
alias lx='ll -X' # long format, sort by extension (GNU only)
# Always wear a condom (GNU only)
alias chmod='chmod --preserve-root -v'
alias chown='chown --preserve-root -v'
else else
# BSD # BSD
@ -62,14 +67,13 @@ fi
# ls Aliases # ls Aliases
# #
alias l='ls -lAh' # all files, human-readable sizes alias ll='ls -lh' # long format and human-readable sizes
[[ -n ${PAGER} ]] && alias lm="l | ${PAGER}" # all files, human-readable sizes, use pager alias l='ll -A' # long format, all files
alias ll='ls -lh' # human-readable sizes [[ -n ${PAGER} ]] && alias lm="l | ${PAGER}" # long format, all files, use pager
alias lr='ll -R' # human-readable sizes, recursive alias lr='ll -R' # long format, recursive
alias lx='ll -XB' # human-readable sizes, sort by extension (GNU only) alias lk='ll -Sr' # long format, largest file size last
alias lk='ll -Sr' # human-readable sizes, largest last alias lt='ll -tr' # long format, newest modification time last
alias lt='ll -tr' # human-readable sizes, most recent last alias lc='lt -c' # long format, newest status change (ctime) last
alias lc='lt -c' # human-readable sizes, most recent last, change time
# #
@ -92,19 +96,10 @@ fi
# Resource Usage # Resource Usage
# #
alias df='df -kh' alias df='df -h'
alias du='du -kh' alias du='du -h'
#
# Always wear a condom
#
if [[ ${OSTYPE} == linux* ]]; then
alias chmod='chmod --preserve-root -v'
alias chown='chown --preserve-root -v'
fi
# not aliasing rm -i, but if safe-rm is available, use condom. # not aliasing rm -i, but if safe-rm is available, use condom.
# if safe-rmdir is available, the OS is suse which has its own terrible 'safe-rm' which is not what we want # if safe-rmdir is available, the OS is suse which has its own terrible 'safe-rm' which is not what we want
if (( ${+commands[safe-rm]} && ! ${+commands[safe-rmdir]} )); then if (( ${+commands[safe-rm]} && ! ${+commands[safe-rmdir]} )); then