Chicago Perl Mongers

Supporting Perl in the Windy City

Lightning Talks - My Dev Environment

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This month, we’re doing lightning talks on the topic of “My Dev Environment”. Lightning talks are 5-10 minute, informal presentations. Bring your development environment (editor, IDE, operating system, shell, and otherwise) and tell us the most useful parts.

This is not strictly a Perl talk, so if you know someone who’d like to hear some tips, or would like to give some tips, bring them along.

If you’d like to present your dev environment, leave a comment on the ChicagoPM Meetup page.

Office Hours will be on Thursday the 11th. RSVP for Office Hours on the ChicagoPM Meetup page.

Become a CPAN Author Workshop - brian d foy

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This month, brian d foy will be giving a workshop on How to Become a CPAN Author:

Have you wanted to upload a Perl module to CPAN but haven’t been sure how to get started? In this workshop, brian d foy (blog, twitter, github) will lead you through the entire process as you upload a real module to CPAN. You’ll create a new module, upload it to Github, make some changes, and upload it to CPAN. You’ll break your module, upload the broken distribution, then work with others in the class to fix it by sending and merging Github pull requests. Finally, you’ll upload the fixed module. By the end of the class you’ll probably see your module on MetaCPAN, automatically announced in various places, and you might even get CPAN Testers reports. At every step of the way you’ll have someone helping, and you’ll even add some comaintainers.

The workshop will be held on Thursday, August 14, just in time for CPAN Day (August 16th).

RSVP for Become a CPAN Author on the Chicago.PM Meetup

With this, we are moving Office Hours to August 28th. Additionally, since having Office Hours on Wednesday has been more confusing than helpful, we will change our meeting schedule from “2nd Wednesday and 4th Thursday” to “2nd and 4th Thursdays”.

RSVP for this month’s Office Hours on the Chicago.PM Meetup

Meeting - Lightning Talks - Anything Goes

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This month, we’re doing Lightning Talks. Lightning talks are 5-10 minute informal (slides-optional) presentations.

The meeting will be this week, May 26. Doors open at 6:30pm, and the meeting starts at 7. RSVP to attend on the Chicago.PM Meetup page

This month, anything goes, so you can talk about whatever you’d like to talk about. If you’ve got something you’d like to present, leave a comment on the Chicago.PM Meetup page.

perldelta - What’s New in Perl Since 5.8 - April 24, 2014

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This month, Doug Bell will be giving a presentation on the most important features and modules added to the Perl core since the 5.8 series.

RSVP on the Chicago.PM Meetup page to attend.

If you upgrade to 5.10 you get:

  • say
  • state
  • defined-or (//)
  • Switch (given/when)
  • Module::CoreList – List the modules your Perl has in core

If you upgrade to 5.12 you get:

  • The yada-yada operator (…)
  • each(), keys(), and values() on arrays
  • autodie

If you upgrade to 5.14 you get:

  • Non-destructive substitution (s///r)
  • More reliable exception throwing
  • HTTP::Tiny
  • JSON::PP

If you upgrade to 5.16 you get:

  • Reference to the current running sub (__SUB__)

If you upgrade to 5.18 you get:

  • Lexical subroutines (my sub, our sub, state sub)

Awaiting us in 5.20:

  • Hash-based slices (%hash{…} and %array[…])
  • EXP: Postfix dereference operators ($ref->%*)
  • EXP: Subroutine signatures (sub mysub( $foo, $bar, @baz ) { … })
  • IO::Socket::IP

Building Command-Line Applications: Doug Bell - May 23

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This will be an intermediate-level presentation on how to build command-line applications in Perl. It starts out with some simple command-line scripts, and moves on to building testable, reusable command-line applications using modules and CPAN frameworks. Knowledge of Perl and using the command-line is recommended. Previous knowledge of writing command-line applications is not required.

Pizza and beverages will be provided (if you have requests for specific flavors of pizza or beverage, let me know). Please RSVP on the meetup page before 4:00pm on Thursday to make your entrance as smooth as possible.

This will be the first in a set of free, open-source intermediate-level presentations released by the Chicago.PM organization on Github. The presentation itself will be released with a Creative Commons Attribution-ShareAlike license, and the code inside the presentation will be licensed under the same terms as Perl itself (Artistic License 1 or GPL version 1 at your discretion). Our goal is to build a repository of living presentations that pick up after the beginner’s workshops and explore single topics with some depth. Emphasis will be placed on best practices with pragmatism: Here’s multiple ways to do it, here’s why you might choose one way over another, here’s some things you might see out in the wild and how to improve on them. Our github organization is located at

More information is available on the meetup page.