Advanced Perl Programming: From Advanced to Expert

© William "Bo" Rothwell of One Course Source, Inc. 2020

W. ". RothwellAdvanced Perl Programminghttps://doi.org/10.1007/978-1-4842-5863-7_6

6. Advanced Subroutine Handling

William “Bo” Rothwell¹ 

(1)

El Cajon, CA, USA

 

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 ...