This is a useful feature to have when writing one liners e.g. % cat words all these worlds are yours Which I believe is one of th

This is a useful feature to have when writing one liners e.g. % cat words all these worlds are yours Which I believe is one of the reasons Perl allows it: % perl -ne 'print unless /^a/' words these worlds yours And Ruby does too: % ruby -ne 'print unless /^a/' words these worlds yours