HCLarsen/cgrep.cr

Last active February 18, 2025 00:22

Star (1) You must be signed in to star a gist
Fork (0) You must be signed in to fork a gist

Learn more about clone URLs
Clone this repository at <script src="https://gist.github.com/HCLarsen/912d86d311f280bb58513d2446f2a1d8.js"></script>
Save HCLarsen/912d86d311f280bb58513d2446f2a1d8 to your computer and use it in GitHub Desktop.

Download ZIP

A simple grep tool written in Crystal to display use of a RegExp and use of Command Line.

Raw

	abort "Need a regex pattern" unless ARGV.size > 0
	regex = ARGV.shift

	STDIN.each_line do \|i\|
	puts i if i =~ %r(#{regex})
	end

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment