My notes, things I have learned, and documentation I have created.

Source: http://www.cpan.org/misc/cpan-faq.html

#!/usr/local/bin/perl

use ExtUtils::Installed;
my $instmod = ExtUtils::Installed->new();
foreach my $module ($instmod->modules()) {
my $version = $instmod->version($module) || “???”;
print “$module — $version\n”;
}