Program Structure One of the things we want to develop throughout this book is a sense of good programming practice. Obviously this will not only benefit you while using Perl, but in almost every other programming language too. The most fundamental notion is how to structure and lay out the code in your source files. By keeping this tidy and easy to understand, you'll make your own life as a programmer easier. Documenting Your Programs As we mentioned earlier, a line starting with a hash, or pound sign ( # ), is treated as a comment, and ignored. This allows you to provide comments about ...

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