Sorry, I don't know what that is. All the perl I know I've self-taught from online function guides. I write things this way because it works, I'm not great at it.

When you get the time :) Tutorials has a bunch

Modern Perl by chromatic a loose description of how experienced and effective Perl 5 programmers work....You can learn this too.

Learn Perl in about 2 hours 30 minutes a tutorial reviewed and recommended by Perl Tutorial Hub

All of these, like perlintro, teach about Coping with Scoping , using lexical variables, because when programs grow beyond one screen , you'll want and argument passing