Retire your debugger, log smartly with Log::Log4perl! Sep 11, 2002 by Michael Schilli You’ve rolled out an application and it produces mysterious, sporadic errors? That’s pretty common, even if fairly well-tested applications are exposed to real-world data. How can you track down when and where exactly your problem occurs? What kind of user data is it caused by? A debugger won’t help you there. An

Parsing iCal Data Aug 18, 2005 by Robert Pratte One of the attributes of a killer application is that it does something cool: it allows you to view or organize information in new and interesting ways, saves you time, or helps you win that auction bid. Yet one of the fundamental aggravations of applications in general is that they don’t always work well together; typically, you cannot send your dat

#Perl 5.38.2 Documentation The perldoc program gives you access to all the documentation that comes with Perl. You can get more documentation, tutorials and community support online at https://www.perl.org/. If you're new to Perl, you should start by running perldoc perlintro, which is a general intro for beginners and provides some background to help you navigate the rest of Perl's extensive docu

Published on Perl.com http://www.perl.com/pub/a/2006/04/06/debugger.html See this if you're having trouble printing code examples Unraveling Code with the Debugger By Daniel Allen April 06, 2006 Many people who work with Perl code never touch the debugger. My goal in this article is to provide reasoned argument for adding the Perl debugger to your set of tools, as well as pointers on how to do

Unraveling Code with the Debugger Apr 6, 2006 by Daniel Allen Many people who work with Perl code never touch the debugger. My goal in this article is to provide reasoned argument for adding the Perl debugger to your set of tools, as well as pointers on how to do so. Many people are most comfortable with adding debugging variables and print statements to their code. These are fine techniques; I us

Advanced Subroutine Techniques Feb 23, 2006 by Rob Kinyon In “Making Sense of Subroutines,” I wrote about what subroutines are and why you want to use them. This article expands on that topic, discussing some of the more common techniques for subroutines to make them even more useful. Several of these techniques are advanced, but you can use each one by itself without understanding the others. Fur

Perl Internationalization and Haskell: An Interview with Autrijus Tang Sep 8, 2005 by Edd Dumbill Author’s note: Autrijus Tang is a speaker at this October’s European Open Source Convention. In the fine tradition of the OSCON, he is a Perl hacker, entrepreneur, internationalization geek, and self-proclaimed “Net activist, artist, and anarchist.” AT EuroOSCON, Tang will speak about Pugs, a Perl 6 i

Advanced Subroutine Techniques Feb 23, 2006 by Rob Kinyon In “Making Sense of Subroutines,” I wrote about what subroutines are and why you want to use them. This article expands on that topic, discussing some of the more common techniques for subroutines to make them even more useful. Several of these techniques are advanced, but you can use each one by itself without understanding the others. Fur