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Perl 🐪 Weekly #777 - Check your CPAN profile!
Gabor Szabo · 2026-06-15 · via DEV Community

Originally published at Perl Weekly 777

Hi there!

In the recent weeks I looked at a lot of MetaCPAN profiles (aka. author pages) such as that of MANWAR. If I could also find their LinkedIn profile I invited them to connect via LinkedIn. (If I have not sent you an invitation yet, then I guess I missed your profile. I'd be glad to get a connect request via LinkedIn.)

I noticed that a large percentage of the people still have their @cpan.org email address listed. Despite the fact that cpan.org email forwarding has been shut down 6 weeks ago. That means people will get annoyed if hey try to contact you using that address.

You could replace that address or hide it and offer other ways for people to contact you. Either of them is better than having a bad address.

In addition, I noticed that some of the links people have there are not working. (e.g. incorrect link to their LinkedIn profile, or to their home page etc.)

In order to fix these you probably first need to check and update your PAUSE account. After logging in look for the Edit Account Info menu option. There you can list your email address and you can even decide if you'd like to have a visible address or not.

Then you could take a look at your MetaCPAN profile. For this visit MetaCPAN. Login in the top-right corner. If you don't remember whether you used GitHub or Google, don't worry. Inside you can connect them in the Identities menu point. Then go to the Profile menu point and update the fields there.

Finally, if you have updated your profile after reading this, I'd be glad if you sent me an email so I'll know this messaged had some positive impact.

Oh, and if you don't have a CPAN account and you have not uploaded anything yet, then what are you waiting for?

Enjoy your week!

--
Your editor: Gabor Szabo.

Articles

Time::Str - Time Zones and Leap Seconds

Time::Str parses and formats date/time strings across 20+ standard formats, with an optional C/XS backend and nanosecond precision. The previous post, Introducing Time::Str, covered parsing and formatting. This one covers two additions, time zones and leap seconds, and ends with a note on the new C parsers. (Reddit)


Discussion

Confused about a few parts of the new Core OOP

Memory sharing between scripts

First record in implicit -n loop behaves differently than the rest. Hoping to find an explanation.


Grants

PEVANS Core Perl 5: Grant Report for May 2026


Perl

This week in PSC (228) | 2026-06-08


The Weekly Challenge

The Weekly Challenge by Mohammad Sajid Anwar will help you step out of your comfort-zone. You can even win prize money of $50 by participating in the weekly challenge. We pick one champion at the end of the month from among all of the contributors during the month, thanks to the sponsor Marc Perry.

The Weekly Challenge - 378

Welcome to a new week with a couple of fun tasks "Second Largest Digit" and "Sum of Words". If you are new to the weekly challenge then why not join us and have fun every week. For more information, please read the FAQ.

RECAP - The Weekly Challenge - 377

Enjoy a quick recap of last week's contributions by Team PWC dealing with the "Reverse Existence" and "Prefix Suffix" tasks in Perl and Raku. You will find plenty of solutions to keep you busy.

Prefixed Existence

This article offers a great introduction to the Raku language through its implementation of the The Weekly Challenge #377, specifically the use of native Raku functions, such as .flip and .combinations. The code is well-written, typical of Raku, and fully supported with an extensive breakdown of each line of code, detailed run-time logs, and references to helpful documentation.

Perl Weekly Challenge: Week 377

The article compares Perl and Raku solutions for Week 376 of the Challenge and illustrates how the two languages are different in terms of their evolution. Specifically, it illustrates how Raku provides a more modern set of high-level features (e.g., built-in support for substrings and pairs) compared to the equivalent structural features in Perl, which require additional code to implement.

From Start to End and Back

Jorg takes a multi-paradigm approach to solving The Weekly Challenge #377 in both Perl and J (the array-processing language). This article showcases Jorg's technical knowledge because he generalises the first task from its minimum definition and well-organises the second task's input by length to optimise the process. Additionally, Jorg's complete walkthrough of the functional, tacit programming techniques found in language J is well presented, allowing for the easy comprehension of complex manipulations of Arrays and RegEx optimisations.

Perl Weekly Challenge 377

W. Luis Mochan employs the expressive capabilities of the Perl language in order to create solutions that exhibit exceptional brevity with no extra syntax or words. This will definitely capture the interest of developers looking for clean and functional solutions.

They run and hide their heads / They might as well be dead…

This post provides a great, multi-lingual breakdown of the challenge with clean idiomatic solutions in Perl, Raku, Python and Elixir. By demonstrating how each of the programming paradigms handle the same logic, Packy provides educational value beyond measure while maintaining interest with a clever Beatles-style music theme.

Strings within strings

Peter offers a refreshingly simple and useful way to accomplish this task using only Perl. He places an emphasis on keeping the code readable, ensuring UTF-8 characters can safely contain more than one byte, and maintaining a high level of performance in real-world applications. There is no ambiguity or sacrifice made in developing an easy-to-interpret solution to a hard problem and accommodating corner cases.

The Weekly Challenge - 377: Reverse Existence

In this article, Reinier discusses how to efficiently leverage Perl's string manipulation and logical checks to confirm if input strings share overlapping character sequences with the least amount of code. This article is an excellent resource for learning to write perl code that efficiently performs substring matching in a clear, idiomatic manner with minimal additional complexity.

The Weekly Challenge - 377: Prefix Suffix

Reinier made use of Perl's built-in string matching capabilities to efficiently find all pairs where one of the strings serves as both the beginning and end of one of the other strings. This showcases a great example of writing efficient, clear code to solve a complex logic problem of substring containment in as little code as possible.

A Suffix to Existence

Roger's article provides an excellent comparison between different programming languages by demonstrating how language paradigms solve the same algorithms for sliding windows and substring matches, thereby providing significant educational value to the reader by making comparisons between high-level built-in functions with manual implementations for the same problem.

Existence

In this post, Simon analysed the issue into smaller pieces/steps made it easier for implementation to remain very readable and maintainable. A strong resource for developers wishing to observe how simple, idiomatic methods can more elegantly achieve string manipulating constraints.


Weekly collections

NICEPERL's lists

Great CPAN modules released last week.


Events

Perl development using AI (online)

June 17, 2026

Berlin.pm - Naumanns Biergarten

June 24, 2026

Toronto.pm - June Social Evening

June 25, 2026

The Perl and Raku Conference 2026

June 26-29, 2026, Greenville, SC, USA

Paris.pm monthly meeting

July 8, 2026

Purdue Perl Mongers (HackLafayette) - TBA

July 08, 2026

Boston Perl Mongers virtual monthly

July 14, 2026


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(C) Copyright Gabor Szabo
The articles are copyright the respective authors.