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Using the Perl rand() function Introduction The rand() function is used to generate random numbers. By default it generates a […]

Automating Testing with Test::More Leif Eriksen OK, so you’ve managed to write your first Perl module, and you’ve managed to

Using the Perl chomp() function Introduction The chomp() function will remove (usually) any newline character from the end of a

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

Using the Perl index() function Introduction The index() function is used to determine the position of a letter or a

Understanding the foreach keyword A foreach loop is used to iterate over each element of a list. The basic syntax

How can I count the separator characters in a string? You have a string, which you are splitting. For example:

How can I access the individual characters in a string? Before answering this faq, we ask that you consider the

How do I use taint mode? What is taint mode? Taint mode is a way of making your code more

Interpolation in Perl This page shows how variable interpolation works in Perl. Interpolation, meaning “introducing or inserting something”, is the