Subroutines are a fairly large topic in Perl. There are many features and nuances that allow you to create some powerful code. This chapter starts by reviewing some of the basic subroutine information that you should already know and then dives into more advanced subroutine features.
What you should already know about subroutines
Note
In the Beginning Perl Programming and Pro Perl Programming books, we covered some of the basics of subroutines. This section is meant to be a review of these topics.
The following function topics were covered ...
