Perl

Regular expressions are special patterns used to match strings, available in most programming languages including Perl.

Subroutines are easy to use. They can save you a lot of time and help you avoid writing code that you have already written. A subroutine can be called at anytime in your Perl script.

A do while loop is almost exactly like a while loop, with one major difference: the code in the loop body is executed before the while condition is evaluated. This means that even if the while...

Learning how to input a file in Perl is both simple and very useful.

The ability to print out data to output messages and program results is critical in any programming language, and Perl is no exception. The simplest example of printing with Perl is the "Hello...

Arrays are a basic data structure used to hold numbered lists of information. Perl array variables begin with a "@" instead of the "$" used for simple variables. Each entry in the array is called...

The Perl foreach function, or statement, is used to loop through arrays and hashes. Foreach takes the array as the parameter and loops though each of its values.

The for statement is one of Perl's basic looping constructs. It specifies an initial condition, a condition for the loop to terminate, and statements to be executed each time thorugh...

Perl's while statement is a form of loop which iterates as long as a condition remains true.

Learning a fresh concept, especially one as complex as Perl, could be quite challenging. Perl, an acronym for Practical Extraction and Reporting Language, was developed by Larry Wall in 1987. It...