Read The Fantastic Manual: How to get the most out of Perl documentation
phoenixtrap.com
phoenixtrap.com
I first used Perl in 1991ish to Parse a Command and Control Language for Military Naval ships,based I what I learned out of the Programming Perl 1st Ed.
Documentation matters. Really good training materiel can elevate a language.
In spite of Perl's loss of attention to Python et al. it remains in my tool box and used when appropriate.