Perl::Critic is an excellent way to not only validate your Perl source code, but to learn some tips from the Perl monks who have contributed to the Perl::Critic documentation.
I uploaded one of my latest CGI scripts written in Perl to see how good my Perl chops are…turns out I picked up a few tips that I was unsure about in my previous Perl scripts.
A few simple techniques can be used to make your code more standardized in the event that your are not the only person reading it.
The Perl Critic web site has a nice usable web interface for uploading source code and checking its validity — although for obvious reasons if you’re working on enterprise code you should probably download an install the Perl::Critic CPAN module on your own server.