SAMS Teach Yourself Perl in 24 Hours THIRD EDITION

Hour 14. Using Modules

What You'll Learn in This Hour:

• Learn how to use modules in your Perl programs

• Take a quick tour of some built-in modules

• Review the list of the core modules distributed with Perl

Perl, as you've noticed, is an extremely flexible language. Not only does it deal with files, text, math, algorithms, and other issues normally found in any computer language; much of Perl is dedicated to special-purpose functions. Regular expressions are a core part of the language and are very important to the way that Perl is used, although many languages do just fine without them. Likewise, Perl's handling of external programs (backticks, pipes, and system from Hour 11, “System Interaction”) is also extensive, whereas many languages don't handle ...