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Learn how to alter the flow of your Perl code using decisions and loops. This essential tutorial covers statements such as if, while, until, do, for and foreach.
Expand your user-authentication options with mouse dynamics
In this article, learn how to apply the open source tools cnee and Perl in mouse-click dynamics to measure the more subtle characteristics of human-computer interaction. Also, learn how to use the num...
Create a constant keystroke-dynamics monitor with Perl and xev
Learn how to use Perl, xev, and algorithms to monitor who is currently at the keyboard. Keystroke dynamics is a new field that enables identification of individuals through statistical analysis of the...
Genetic algorithms applied with Perl
Based on the Darwinian principle of survival of the fittest, genetic programming uses mutation and replication to produce algorithms for creating ever-improving computer programs. In this column, you'...
The elegance of JAPH: Just Another Perl Hacker
A mainstay of the Perl culture, JAPH is a short script that produces the output "Just another Perl hacker." Although written for the beginner or intermediate Perl programmer, this article ex...
Using CGI::Application
The author writes "CGI::Application builds upon the bedrock of CGI, adding a structure for writing truly reusable Web-applications. CGI::Application takes what works about CGI and simply provides...
Benchmarking Perl
In this Part 21 of "The Perl You Need To Know" series, it covers the Benchmark module — the handy Perl stopwatch that allows you to time, optimize, and slim down on code.
Untangling Lists and Hashes
In this Part 10 of "The Perl You Need to Know" series, you will be shown how to work with Perl's list and hash data structures.
Sorting Techniques
An introduction to sorting, and how to write your own sorting functions easily with perl. Includes some very common examples of sorts.
Printing all CGI environment variables
This article provides a short CGI program that can print every environment variable it knows.