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.

Function to extract columns from an input stream

col() { awk '{print $('$(echo $* | sed -e s/-/NF-/g -e 's/ /),$(/g')')}'; }

December 7, 2012bashoneliners

Function to extract columns from an input stream

col() { awk '{print $'$(echo $* | sed -e 's/ /,$/g')'}'; }

April 5, 2012bashoneliners