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Perl loop examples - The Perl foreach, for, while, and until loops

Perl loop FAQ: Can you share some "Perl loop" examples (Perl for loops, foreach loops, and Perl arrays)?

I've written a variety of "Perl loop" stories before, but I've never shown all the different Perl loop operators in one place before. In this Perl tutorial I'll try to provide a summary of the different Perl loop constructs.

A simple Perl array

Before showing any Perl loop examples, we'll need an array to work with. Here's a simple Perl array that contains five strings: