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.
re_semver=...; perl -wln -e "/$re_semver/ or exit(1)" <<< "$version"
tty >/dev/null || { urxvt -hold -e "$0" "$@" & exit; }