bashoneliners.com

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.

Extract regex capture groups using [[ and BASH_REMATCH

text='3 blue; 5 green'; [[ $text =~ ([0-9]+)" "(blue|green) ]] && { echo "count = ${BASH_REMATCH[1]}"; echo "color = ${BASH_REMATCH[2]}"; }

December 4, 2023bashoneliners