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Functions

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Terminal - All commands - 12,301 results
grep -oP '"url":"\K[^"]+' $(ls -t ~/.mozilla/firefox/*/sessionstore.js | sed q)
2009-12-09 20:34:32
User: sputnick
Functions: grep ls sed
0

Require "grep -P" ( pcre ).

If you don't have grep -P, use that :

grep -Eo '"url":"[^"]+' $(ls -t ~/.mozilla/firefox/*/sessionstore.js | sed q) | cut -d'"' -f4
rp() { local p; eval p=":\$$1:"; export $1=${p//:$2:/:}; }; ap() { rp "$1" "$2"; eval export $1=\$$1$2; }; pp() { rp "$1" "$2"; eval export $1=$2:\$$1; }
2010-07-15 18:52:01
User: cout
Functions: eval export
0

I used to do a lot of path manipulation to set up my development environment (PATH, LD_LIBRARY_PATH, etc), and one part of my environment wasn't always aware of what the rest of the environment needed in the path. Thus resetting the entire PATH variable wasn't an option; modifying it made sense.

The original version of the functions used sed, which turned out to be really slow when called many times from my bashrc, and it could take up to 10 seconds to login. Switching to parameter substitution sped things up significantly.

The commands here don't clean up the path when they are done (so e.g. the path gets cluttered with colons). But the code is easy to read for a one-liner.

The full function looks like this:

remove_path() { eval PATHVAL=":\$$1:" PATHVAL=${PATHVAL//:$2:/:} # remove $2 from $PATHVAL PATHVAL=${PATHVAL//::/:} # remove any double colons left over PATHVAL=${PATHVAL#:} # remove colons from the beginning of $PATHVAL PATHVAL=${PATHVAL%:} # remove colons from the end of $PATHVAL export $1="$PATHVAL" } append_path() { remove_path "$1" "$2" eval PATHVAL="\$$1" export $1="${PATHVAL}:$2" } prepend_path() { remove_path "$1" "$2" eval PATHVAL="\$$1" export $1="$2:${PATHVAL}" }

I tried using regexes to make this into a cleaner one-liner, but remove_path ended up being cryptic and not working as well:

rp() { eval "[[ ::\$$1:: =~ ^:+($2:)?((.*):$2:)?(.*):+$ ]]"; export $1=${BASH_REMATCH[3]}:${BASH_REMATCH[4]}; };
sleep 4; xwd > /tmp/_.xwd ; gimp /tmp/_.xwd
unzip -l file.jar
sudo pacman -Sc
2011-03-20 20:55:32
User: ibnarrashid
Functions: sudo
0

Clears the package cache of all uninstalled packages. Does not remove package configuration files in user's home directory.

svn status|grep -iR '^!'|sed 's/!/ /g'|xargs -i svn rm '{}'
2011-10-06 08:11:25
User: erdeszt
Functions: grep rm sed xargs
Tags: svn sed xargs grep
0

Helps if you accidentally deleted files from an svn repo with plain rm and you would like to mark them for svn to delete too.

find . -type f -name '*.sh' -print | cpio -o | gzip >sh.cpio.gz
2011-12-21 21:13:29
User: djangofan
Functions: cpio find gzip
0

Archive all .sh files in a directory into a gzip archive.

:autocmd BufNewFile *.sh,*.bash 0put =\"#!/bin/bash\<nl># -*- coding: UTF8 -*-\<nl>\<nl>\"|$
2012-02-06 08:28:05
User: jlaunay
Tags: bash
0

or add this line to your ~/.vimrc if using vim

lsgrp() { read GID USERS <<< "$(grep "^$1:" /etc/group | cut -d: -f3,4 | tr ':,' ' ')" ; echo -e "${USERS// /\n}" | egrep -v "^($1)?$" ; egrep :[0-9]+:$GID: /etc/passwd | cut -d: -f1 ; }
2012-03-16 09:57:33
User: livibetter
Functions: cut echo egrep read
0

I can't find the lid command on my system, there is also another complied program: http://xyne.archlinux.ca/projects/lsgrp/

ls -tl --time-style=full-iso
db2 connect to STGNSY3; db2 -tvf source_CUST_DIM_DELTA.sql > kk.out
find . -name vmware-*.log -exec rm -i {} \;
while curl -dsL example.com 2>&1 | grep 503;do sleep 8;done;echo server up
for a in $(find . -maxdepth 1 -name "*.mp4" -type f -printf "%f\n" | rev | cut -d '.' -f2- | rev | sort -u); do if [ ! -f "$a.mp3" ]; then avconv -i "$a."* -vn -ab 128 "$a.mp3"; fi done
2014-06-27 05:13:53
User: adanisch
Functions: cut find rev sort
0

Good for when you download youtube videos and want the mp3 for your mp3 player.

jstat -gc [jvmpid]
rename 's/.*/[it]$&/' *.pdf
for img in $( ls *.CR2 ); do convert $img $img.jpg; done
printf "%02u " {3..20}; echo
2009-09-18 18:48:41
User: Escher
Functions: printf
Tags: bash strings
0

emulates bash4's "echo {03..20}"

Uses bash3 builtin function printf

find -type f -regex ".*\.\(js\|php\|inc\|htm[l]?\|css\)$" -exec grep -il 'searchstring' '{}' +
dos2unix <file>
sudo pacman -Scc
2011-03-20 20:57:42
User: ibnarrashid
Functions: sudo
0

Clears the package cache of all packages, installed and uninstalled packages. Do NOT USE if you might want to downgrade a package later.

cd ~/ruby/project_a ; find . -name "*profile*" -exec pax -rw {} ~/ruby/project_b/ \;
2011-11-10 21:18:15
User: cbpowell
Functions: cd find pax
0

Let's say you have a set of files in tree A that you want duplicated to tree B while preserving their directory structure / hierarchy. (For example, you might want to copy your 'profile' model/views/controller from one Rails application to another.) The "pax" command will copy all matching files to the destination while creating any necessary directories.

diskutil erasevolume HFS+ "ramdisk" `hdiutil attach -nomount ram://8000000`
2012-03-16 23:51:17
User: centro
0

Creates a 4GB ramdisk on OSX. Use when you need high speed operations and have plenty of RAM

hbuu@
sudo find . -name "*.csv" | xargs /bin/rm
2012-08-29 11:38:37
User: defc0n1
Functions: find sudo xargs
0

In case you ever got to many arguments using rm to delete multiple files matching a pattern this will help you