http://www.perlmonks.org?node_id=359877

#!/usr/bin/perl -w use strict; # list all of the perl modules installed use File::Find ; for (@INC) { find(\&modules,$_) ; } sub modules { if (-d && /^a-z/) { $File::Find::prune = 1 ; return } return unless /\.pm$/ ; my $fullPath = "$File::Find::dir/$_"; $fullPath =~ s!\.pm$!!; $fullPath =~ s#/(\w+)$#::$1# ; print "$fullPath \n"; }