In “Making Sense of Subroutines,” I wrote about what subroutines are and why you want to use them. This article expands on that topic, discussing some of the more common techniques for subroutines to make them even more useful….
Editor’s Note: This article has a followup in Advanced Subroutine Techniques. A subroutine (or routine, function, procedure, macro, etc.) is, at its heart, a named chunk of work. It’s shorthand that allows you to think about your problem in…
When you are planning to release a module to CPAN, one of your first tasks is figure out what OS, Perl version(s), and other environments you will and will not support. Often, the answers will come from what you…
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