Useful links if you are interested in learning Perl
If you are looking for a list of recommended modules for many day-to-day tasks, look at Task::Kensho.
Perl FAQs are available as part of your Perl distribution with the
perldoc perlfaq command. Read FAQs online at http://learn.perl.org/faq/
Presentations are not necessarily the best way to learn, but they can be worth reviewing.