1 # Aliases and similar functions which can be used by all shells (supporting
4 # Copyright (C) 2011-2015 Simon Ruderich
6 # This file is free software: you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License as published by
8 # the Free Software Foundation, either version 3 of the License, or
9 # (at your option) any later version.
11 # This file is distributed in the hope that it will be useful,
12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 # GNU General Public License for more details.
16 # You should have received a copy of the GNU General Public License
17 # along with this file. If not, see <http://www.gnu.org/licenses/>.
20 # Shortcuts for often used programs.
28 alias p=less # p for pager
33 # Shortcuts for a little less used programs.
40 alias mj='make -j$(nproc)'
42 alias rs=reset # like git's reset alias
48 # systemd ... (sc is provided as shell script for better completion); redirect
49 # stderr because my color-stderr hack breaks systemd's terminal detection.
58 unalias mv cp 2>/dev/null
59 # Ask for confirmation before overwriting files. Especially useful when moving
60 # to a different directory. No alias for `rm` because I specify the files to
61 # remove directly, so I know what will happen.
63 # Additionally preserve all file attributes when copying, this includes
64 # copying symbolic links as is without dereferencing them.
68 # Make sure there is no alias named ls as it causes problems with the
69 # following ls function on (at least) bash 4.0.35.
70 unalias ls 2>/dev/null
71 # Improved ls which displays the files in columns (-C), visualizes
72 # directories, links and other special files (-F), uses human file sizes (-h)
73 # and pages everything through less.
75 # If available use GNU ls with colorized output. If it isn't available try
76 # normal ls which needs CLICOLOR_FORCE so it displays colors when used with a
77 # pager. If none work no colors are used.
79 # See `setup.sh` for details. LS_* are replaced with the appropriate values
80 # when this file is generated.
82 LS_ARGS -C -F -h "$@" 2>&1 | less -S
85 unalias ll lt la lal lat 2>/dev/null
86 # List the files in list format with access rights, etc.
88 # List the files sorted by last modification date.
92 # List all files in list format with access rights, etc.
94 # List all files sorted by last modification date.
98 # Make going up directories simple.
101 alias ....='cd ../../..'
102 alias .....='cd ../../../..'
104 # Automatically use unified diffs.
107 # COLUMN is set to `| column -t` if it's available, empty otherwise.
109 # Display all files (-s), use human readable sizes (-h) and display the
110 # complete size (-c).
112 # Use human readable sizes and format it nicely, thanks to climagic
113 # (http://twitter.com/climagic/status/49623386762129408).
115 command df -hP "$@" COLUMN
118 # Highlight matched strings. Doesn't work with a pager!
119 alias grep='grep --color=auto'
121 # Pipe output through less.
123 command tree -C "$@" | less -S
126 # Better viewer for info pages .. just pipe everything into less.
128 command info "$@" 2>/dev/null | less
131 # Using su (or sudo) as root to a less privileged user might allow the other
132 # user to run arbitrary commands as root. See also Debian bugs #628843 and
134 if test "`id -u`" -eq 0; then
136 echo 'never su as root' >&2
141 # Use short `ip` output per default.
142 alias ip='ip -brief -color=auto'
144 # Calendar with traditional output (-b), weeks starting on Monday (-M), week
145 # numbers (-w) and the previous, current and next month (-3)
146 alias cal='ncal -b -M -w -3'
148 # Group volumes on mdadm devices instead of displaying them multiple times
149 alias lsblk='lsblk --merge'