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

Pro: How To Use TheSchwartz Perl Module (Part 1)

TheSchwartz Perl module is a very useful, powerful and sometimes funny queueing system. It can be used for triggering all sort of events like sending email, running print jobs, and generating reports just to name a few. Recently I used it in a project to send SMS messages via the Twilio SMS service in conjunction with its respective Twilio Perl module. Typically, jobs such as these are triggered by a user submitting a web request, which then inserts a schwartz job record into the database for processing. But one of the best things about this module is actually using it, by typing "use TheSchwartz". A humourous nod to Spaceballs that's sheer genious.

TheSchwartz module contains several core functionalities to enable synchronous job processing. The "job" function of the module consists of creating a database record that stores a job's function type and various argument values for future processing. The "worker" function scans the jobs records table and executes a job record based on its function type and timing definitions. Once a job is processed, the module marks it as completed or failed. Failure error messages are stored in the database for troubleshooting purposes. Once a job has had its turn being processed, the system grabs the next available job and continues the processes.
How To Use TheSchwartz Perl Module (Part 1)

Pro: Marpa Debugging

In my last article (Marpa for building parsers - a first look) we had a first look at the Marpa parsing engine. This current article was going to be about building a ini file parser, but trouble along the way has turned it into an article about debugging Marpa parsing problems!

Marpa Debugging