First Steps In Perl

First Steps In PerlVitually all programming languages have certain things in common. The fundamental concepts ofprogramming are the same, no matter what language you do them in. In this chapter, we'll investigatewhat you need to know before you start writing any programs at all. For instance: What is programming anyway? What does it mean to program? What happens to the program that we write? How do we structure programs and make them easy to understand? How do computers see numbers and letters? How do we find and eliminate errors in our programs?Of course, we'll be looking at these from a perl perspective, and we'll look at a couple of basic Perlprograms, and see how they're constructed and what they do.

First Steps In Perl 21 compiler any more. Because you don't need to process the source code every time you run it, compiled code will usually run faster than an interpreted equivalent.

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