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May 19, 2015 - A Look At The New Commandlinefu
I've put together a short writeup on what kind of newness you can expect from the next iteration of clfu. Check it out here.
March 2, 2015 - New Management
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Terminal - All commands - 12,274 results
find -name pom.xml | while read f; do cd $(dirname "$f"); mvn clean; cd -; done;
2015-04-15 21:24:49
User: glaudiston
Functions: cd dirname find read

this command is used to locate all pom.xml files, access the dir and do a mvn clean, but I do recommend you to disable network interfaces to not download dependencies packages to be faster.

while [ 1 ]; do date; ls -l /path/to/dir; sleep 1; done
tar -tf <file.tar.gz> | parallel rm
2010-01-28 08:28:16
Functions: tar

xargs deals badly with special characters (such as space, ' and "). To see the problem try this:

touch important_file

touch 'not important_file'

ls not* | xargs rm

Parallel https://savannah.nongnu.org/projects/parallel/ does not have this problem.

rename -n "s/-.*//" *
2011-03-06 12:08:39
User: pepin
Functions: rename

of course, replace the "-" after / by the character you wish. a dot must by protected by a backslash, as it is a regexp. it's the same result as the command proposed. but if there is more than a dash in the name, only the part before the first dash is kept... so that's not an "extension renaming" command.

echo 1 2 3 > FILE; while read -a line; do echo ${line[2]}; done < FILE
2009-03-06 15:32:40
User: occam
Functions: echo read
Tags: bash

This will print out the third column of every line in FILE. Useful for many files in /proc or *csv data.

ip link
tr -dc 'a-zA-Z0-9' < /dev/urandom | fold -w 10 | sed 1q
kill `ps aux | grep xmms | grep -v grep | awk '{ print $2 }'`
2010-11-11 17:26:26
User: corp769
Functions: awk grep kill

I use this command, within a cron job, to kill XMMS after a certain amount of time. This command returns the PID used by XMMS, and gets passed to the kill command. Another alternative would be ps aux | grep xmms | grep -v grep | awk '{ print $2 }' | xargs kill

2009-03-24 16:19:12
User: haivu
Functions: bc

bc is a wonderful calculator. Just type bc at the command line and have at it. Ctrl+D (or type quit) will get you out. This usage is just scratching the surface: bc can handle a mini scripting language, complete with variable, statements, loop, conditional statements and more. Do a man page on it to find out.

svn status |grep '\?' |awk '{print $2}'| parallel -Xj1 svn add
2010-01-28 08:47:54
Functions: awk grep
Tags: xargs parallel

xargs deals badly with special characters (such as space, ' and "). To see the problem try this:

touch important_file

touch 'not important_file'

ls not* | xargs rm

Parallel https://savannah.nongnu.org/projects/parallel/ does not have this problem.

leapyear() { if [ $[$1 % 4] -eq 0 ] && [ $[$1 % 100] -ne 0 ] || [ $[$1 % 400] -eq 0 ]; then echo $1' is a leap year!'; else echo $1' is not a leap year.'; fi; }
2010-03-30 17:19:20
User: kaedenn
Functions: echo
Tags: echo test

Tested on bash, and follows all the rules about leap years.

ls -t1 | head -n1
head -1000 < lines.txt | tail -1
killall xmms
/opt/psa/bin/pleskbackup server -v --output-file=plesk_server.bak
wget -O - -q http://checkip.dyndns.org/ | cut -d':' -f2 | cut -d'<' -f1| cut -c2-
2011-09-17 13:42:01
User: ztank1013
Functions: cut wget

This is just a "cut" addicted variant of the previous unixmonkey24730 command...

svn st | grep /main/java | awk '{print $2}' | xargs echo | xargs svn ci -m "my comment here"
BACKUP_FILE_SIZE=`eval ls -l ${BACKUP_FILE} | awk {'print $5'}`; if [ $BACKUP_FILE_SIZE -le 20 ]; then echo "its empty"; else echo "its not empty"; fi
2009-12-29 08:34:37
User: Redrocket
Functions: awk echo ls

If you gzip an empty file it becomes 20 bytes. Some backup checks i do check to see if the file is greater than zero size (-s flag) but this is no good here. Im sure someone has a better check than me for this? No check to see if file exists before checking it's size.

java -jar compiler.jar --js file.js
svn st | cut -c 9- | parallel -X tar -czvf ../backup.tgz
2010-01-28 11:43:16
Functions: cut tar

xargs deals badly with special characters (such as space, ' and "). In this case if you have a file called '12" record'.

Parallel https://savannah.nongnu.org/projects/parallel/ does not have this problem.

Both solutions work bad if the number of files is more than the allowed line length of the shell.

2011-04-14 06:59:06
User: atgf0127
Functions: top

usage: top -hv | -bcisSHM -d delay -n iterations [-u user | -U user] -p pid [,pid ...]

ldapsearch -H ldap://localhost:389 -D cn=username,ou=users,dc=domain -x -W -b ou=groups,dc=domain '(member=cn=username,ou=users,dc=domain)' | grep ^dn | sed "s/dn\: cn=\([^,]*\),ou=\([^,]*\),.*/\2 \1/"
2009-06-11 14:50:11
User: nitehawk
Functions: grep sed

This expression looks for groups inside of a GroupOfNames class element, that is itself inside one (or many) Organizational Unit (ou) nodes in the ldap tree. Give you a quick dump of all the groups the user belongs to. Handy for displaying on a webpage.

watch -n 1 "awk 'NR==3 {print \"Signal strength = \" \$3 \"00 %\"}''' /proc/net/wireless"
nc -kl 5432 -c 'echo -e "HTTP/1.1 200 OK\r\n$(date)\r\n\r\n";echo "<p>How are you today?</p>"'
2013-11-12 14:00:11
User: gvitalie
Functions: echo

-k, --keep-open will keep connection alive, and we could exclude using 'while true'

nc is such a powerful command, it could be used instead of any OS! :p

git rev-list --reverse --topo-order master... | while read rev; do git checkout preview; git cherry-pick $rev || break; done
2015-04-23 14:28:06
User: shadyvb
Functions: read
Tags: git preview

Creating feature-branches off master, and trying to merge them in an integration branch (preview), sometimes causes conflicts because the feature-branch might hold changes from 'master' that aren't on preview yet. So this ensures only the commits added to the feature-branch are moved to integration (preview).

Note: This assumes you're currently on the feature-branch. Adjust 'master/preview' branch names to suit your environment.