Commands tagged xargs (141)
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xargs is a more elegant approach to executing a command on find results then -exec as -exec is meant as a filtering flag.
-1find /var/www/ -type f -print0 | xargs -0 chmod 644 -
-1ls -1 | xargs ruby -e'puts ARGV.shuffle'
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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.
-2tar -tf <file.tar.gz> | parallel rm -
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.
-2svn status |grep '\?' |awk '{print $2}'| parallel -Xj1 svn add -
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.
-2svn st | cut -c 9- | parallel -X tar -czvf ../backup.tgz -
If a directory name contains space xargs will do the wrong thing. Parallel https://savannah.nongnu.org/projects/parallel/ deals better with that. Show Sample Output
-2du -s * | sort -nr | head | cut -f2 | parallel -k du -sh -
-2ls . | xargs file | grep text | sed "s/\(.*\):.*/\1/" | xargs gedit
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-2find . -name "*noticia*" -name "*jhtm*" -name "*.tpl" -exec grep -li "id=\"col-direita\"" '{}' \; | xargs -n1 mate
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This will, for an application that has already been removed but had its configuration left behind, purge that configuration from the system. To test it out first, you can remove the last -y, and it will show you what it will purge without actually doing it. I mean it never hurts to check first, "just in case." ;)
-3dpkg-query -l| grep -v "ii " | grep "rc " | awk '{print $2" "}' | tr -d "\n" | xargs aptitude purge -y -
This deals nicely with files having special characters in the file name (space ' or "). Parallel is from https://savannah.nongnu.org/projects/parallel/
-3tar -zcvpf backup_`date +"%Y%m%d_%H%M%S"`.tar.gz `find <target> -atime +5 -type f` 2> /dev/null | parallel -X rm -f -
Find and kill multiple instances of a process with one simple command.
-3pgrep rouge-process | xargs sudo kill -9 -
-3svn revert .
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-4/bin/ls *.png | xargs -l1 -I {} convert {} -modulate 100,100,70 ../../icons/32x32/{}
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Watches for file modifications in the current directory and tails the file.
-4watch 'ls -tr1 | tail -n1 | xargs tail' -
-8ls *.jpg | xargs -n1 -i cp {} /external-hard-drive/directory
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-9find . -type l | xargs file | grep broken
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