You're thinking of the Perl Power Tools: https://github.com/briandfoy/PerlPowerTools https://github.com/briandfoy/PerlPowerTools I guess there are related pro

You're thinking of the Perl Power Tools: https://github.com/briandfoy/PerlPowerTools https://github.com/briandfoy/PerlPowerTools I guess there are related projects such as busybox which contain a collection of utilities implemented in a single binary. There are others such as toybox, and various alternatives in different languages, or with different licenses to choose from.