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.
for name in *; do mv "$name" "${name,,}"; done
ls | perl -ne 'chomp; $f=$_; tr/A-Z/a-z/; s/(?<![.'"'"'])\b\w/\u$&/g; print qq{mv "$f" "$_"\n}'