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Retreiving web pages (LWP) In this tutorial you will learn how to retreive the source for web pages. The first […]

How do I list the files in a directory? You want a list of all the files, or all the

The focus of this section is providing in-depth coverage of a part of perl. Solutions are provided that illustrate the

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Perl has no switch statements. How do I avoid a long if-else-if pattern? The problem: You have some conditional behaviour

It appears that your browser has no javascript support. That’s fine by us, but note that some of the features

How do I use regular expressions to match numbers? You have some text, and you want to find the numbers

How do I assign a value to a variable and modify it with a regular expression, in one statement? You

How do I create a fixed width column file? You want to write a file that has fixed width lines.

Sorting The sort function sorts a list (an array). The default is to sort alphabetically. However, you can define your