Welcome to bashoneliners.com, a curated collection of practical and well-explained Bash one-liners, snippets, tips and tricks. We aim to make each published one-liner to be of high quality: useful, easy to read, follows best practices, with clear, detailed, accurate explanation. These one-liners should help you automate tasks, troubleshoot problems, whether it be in system administration, file management, networking or programming.
(cd /var/log && ls syslog* | sort -n -t. -k2 | while read file; do echo "===== $file ====="; zcat "$file" || cat "$file"; done)
mv file dir/ && cd "$_" && pwd
for dir in $(ls -d */); do eval $(cd $PWD/$dir && docker-compose up -d && cd ..); done;
[ ! "${LIB}" ] && ( readonly LIB; . "${ $( cd $( dirname $0 ) && pwd ) }/<path_to>/LIB.sh" )
cwd=$(cd "$(dirname "$0")" && pwd)
mkcd(){ NAME=$1; mkdir -p "$NAME"; cd "$NAME"; }
alias ph='cd ${PWD%/public_html*}/public_html'
up(){ DEEP=$1; for i in $(seq 1 ${DEEP:-"1"}); do cd ../; done; }
upup(){ DEEP=$1; [ -z "${DEEP}" ] && { DEEP=1; }; for i in $(seq 1 ${DEEP}); do cd ../; done; }
(cd /path/to/somewhere; tar c .) > somewhere.tar
pushd /some/where/else; work; cd /somewhere; work; cd /another/place; popd
bzr co https://repo1/proj1/trunk proj1 && cd proj1 && bzr push https://repo2/vendor/proj1/trunk