Perl Maven

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Perl tutorials and courses

Modern Perl Web Frameworks

  • Mojolicious light-weight web framework with rainbows and unicorns.
  • Perl Dancer light-weight web framework to rock.
  • Catalyst The MVC web framework of Perl.
  • PSGI/Plack, the low-level superglue between Perl web application frameworks and web servers.
  • CGI, the Common Gateway Interface, for old-school web applications.

Object Oriented Perl

  • OOP, the classic way to write Object Oriented Perl code.
  • Moo, the Minimalist Object Oriented system for Perl.
  • Moose, the 'post modern' Object Oriented system for Perl.

Other Series

Projects and Collections

Code-Maven series

If you are a beginner, or would like to refresh your Perl programming knowledge, you can go over the Perl tutorial or watch the Beginner Perl Maven video course.

If you need to maintain a large piece of software written in Perl by other people in the last 5-10-15 years, that's a challenge. Especially if you did not get proper training in Perl. You are probably limited to a specific and old version of Perl. Check out, the Perl tutorial! You can probably skip the part about installing Perl, but the rest of the tutorial will be relevant for you.

Perl is often used in Test Automation. If you work in this field, or if you'd like to work in this field (it is much more fun to find bugs in other people's code than in yours :), then you can read the Perl tutorial and the series on Test Automation using Perl.

If you build new web applications - either privately or inside a company - you can start by reading the article comparing CGI, mod_perl and PSGI. From there you can go on reading the generic Perl tutorial or the articles on Mojolicious, Perl Dancer, Catalyst, PSGI/Plack, or even CGI, the Common Gateway Interface, for old-school web applications.

Recent Articles

Refactoring Dancer 2 app, using before hook

By the end of the reverse echo article we had a Dancer module with 5 routes. Many of them repeating the setting of the headers:

header 'Content-Type' => 'application/json'; header 'Access-Control-Allow-Origin' => '*';

We can easily eliminate the code duplication and make our code more readable and nicer by employing a before hook


Refactoring Dancer 2 app, using before hook


Test diagnostic messages using diag, note, and explain

In addition to the various functions that improved versions of the ok() function such as is and isnt, Test::More also provide a few functions to help displaying extra diagnostic messages.


Test diagnostic messages using diag, note, and explain


XML::Writer examples

XML::Writer provides an easy way to create XML using Perl. In this article you'll see a number of examples with explanation, but let's ask why would we want to use a module when we could just concatenate strings?

The answer is that XML::Writer provides automatic character escaping where needed and a certain level of validity checking to make sure the generated XML is at least well formed.


XML::Writer examples