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
35 # Shortcuts for a little less used programs.
42 alias mj='make -j$(nproc)'
44 alias rs=reset # like git's reset alias
47 # systemd ... (sc is provided as shell script for better completion)
53 unalias mv cp 2>/dev/null
54 # Ask for confirmation before overwriting files. Especially useful when moving
55 # to a different directory. No alias for `rm` because I specify the files to
56 # remove directly, so I know what will happen.
58 # Additionally preserve all file attributes when copying, this includes
59 # copying symbolic links as is without dereferencing them.
63 # Make sure there is no alias named ls as it causes problems with the
64 # following ls function on (at least) bash 4.0.35.
65 unalias ls 2>/dev/null
66 # Improved ls which displays the files in columns (-C), visualizes
67 # directories, links and other special files (-F), uses human file sizes (-h)
68 # and pages everything through less.
70 # If available use GNU ls with colorized output. If it isn't available try
71 # normal ls which needs CLICOLOR_FORCE so it displays colors when used with a
72 # pager. If none work no colors are used.
74 # See `setup.sh` for details. LS_* are replaced with the appropriate values
75 # when this file is generated.
77 LS_ARGS -C -F -h "$@" 2>&1 | less
80 unalias ll lt la lal lat 2>/dev/null
81 # List the files in list format with access rights, etc.
83 # List the files sorted by last modification date.
87 # List all files in list format with access rights, etc.
89 # List all files sorted by last modification date.
93 # Make going up directories simple.
96 alias ....='cd ../../..'
97 alias .....='cd ../../../..'
99 # Automatically use unified diffs.
102 # COLUMN is set to `| column -t` if it's available, empty otherwise.
104 # Display all files (-s), use human readable sizes (-h) and display the
105 # complete size (-c).
107 # Use human readable sizes and format it nicely, thanks to climagic
108 # (http://twitter.com/climagic/status/49623386762129408).
110 command df -hP "$@" COLUMN
113 # Highlight matched strings. Doesn't work with a pager!
114 alias grep='grep --color=auto'
116 # Pipe output through less.
118 command tree -C "$@" | less
121 # Better viewer for info pages .. just pipe everything into less.
123 command info "$@" 2>/dev/null | less
126 # Using su (or sudo) as root to a less privileged user might allow the other
127 # user to run arbitrary commands as root. See also Debian bugs #628843 and
129 if test "`id -u`" -eq 0; then
131 echo 'never su as root' >&2
136 # Use short `ip` output per default.