Summary
Learning the Perl language involves learning much more than just the syntax of the core language; the built-in functions provide a lot of the cooler functionality and the power of Perl scripts. Although many of the functions accomplish things in the language that can be better done some other way, others are useful to at least have around for specific cases. The functions you've learned about in this lesson are like that; most everything you've learned here can be done in some other way, although sometimes that other way might be longer, less efficient, or harder to figure out.
Today, then, you learned about the various functions you can use to modify lists and strings, and the ways to use these functions to accomplish simple tasks. You ...
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