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If you have a Perl-related news item you'd like to share, you may post it in the Perl News section. Please try to avoid duplicating news; but pointers (with summaries) to important stories on other sites are acceptable here.

Perl News
Thread and Promise prototypes in Rakudo
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by raiph
on Jul 15, 2013 at 19:15
    Update, Oct 2014: Concurrency in P6 has developed a long way since I wrote this post. This video briefly runs through the Functional Programming paradigm features that have been implemented, including Promises, before discussing the latest Object Oriented paradigm work, including Monitors, Actors, and Evject.


    Thread and Promise prototypes in Perl 6.

    Some background:

    Evidently the time has come to fully develop concurrency and parallelism features in Perl 6.

    The Perl 6 language design team led by Larry Wall has discussed concurrency and parallelism for over a decade. So every element of the P6 language has been considered in the light of concurrency and parallelism, from variable assignment on up. But that's just design.

    There's also been implementation work done. However, Rakudo (the leading P6 compiler) has surfaced very little of this work (gather/take is about it) and while Niecza (another compiler) has long exposed continuations, coroutines, and threads, Niecza's author Stefan O'Rear basically stopped working on Niecza a year ago. (Imo this is good news; read on.)

    Until recently the Rakudo compiler only worked on one backend, the Parrot VM. While it supports concurrency, Parrot's support has never been considered reliable enough by the Rakudo team for them to develop more of the concurrency features in Rakudo.

    Recently the Rakudo team began porting it to work on the JVM. One of the primary motivations claimed was to unblock development of concurrency and parallelism features.

    Starting at YAPC::NA 2013, at the start of June, Stefan O'Rear began working on the JVM port. In the last week or so he made JVM concurrency primitives available to NQP, which is what's needed to implement them in Rakudo. And thus, in the last few days, jnthn published an initial prototype. It already looks promising...

Salt Lake Perl Mongers host Damian Conway, August 1st.
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by davido
on Jul 15, 2013 at 17:53

    Salt Lake Perl Mongers are pleased to announce: Damian Conway will be in Utah on August 1st, 2013.

    • When: Thursday August 1st, 2013 at 7:15pm
    • Where: Utah Valley University, Liberal Arts 101.
    • What: Temporally Quaquaversal Virtual Nanomachine Programming In Multiple Topologically Connected Quantum-Relativistic Parallel Spacetimes...Made Easy!
    • Who: Damian Conway
    • Why: If you're wondering why you would go, read the description below.
    • How: Registration (free, of course) is via Eventbrite. Details are on the Salt Lake Perl Mongers website.

    The description:

    Watch in terror as Damian writes a Perl program to extract square roots using nothing but quantum mechanics, general relativity, and the very fabric of the space-time continuum.

    Along the way we'll also investigate: Wittgenstein's dark secret; the diminishing returns of physical computation; Roman philosophy; when Super Science Adventures go wrong; the greatest Lego kit of all time; the secret identity of Sith; carbon logic vs silicon logic; the giants of 1930's physics; elementary spin-half quanta under relativistic motion; CAT scans; Will Smith; bongos; drunken bets involving penguins; algorithmic consistency; God's dice and the problem of free will; intrinsic self-inconsistency; the many worlds outside Copenhagen; and the inventor of stage diving.

    What happens when Dirac meets Deutsch meets Damian? Mere anarchy is loosed upon the world!

    Presented by Salt Lake Perl Mongers, with assistance from Utah Open Source, and Bluehost.


    Dave

Frankfurt Perl Mongers meet Tuesday 19.30h @MoschMosch
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by Happy-the-monk
on Jul 01, 2013 at 16:20

    We meet again...

    Tuesday 02 July 2013, 19:30h at MoschMosch in Frankfurt am Main, Germany

    See you there, Sören

    (hooked on the Perl Programming language)

Darmstadt Perlmongers Meeting - Wednesday June 19th
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by LanX
on Jun 15, 2013 at 08:54
perl games codebase
1 direct reply — Read more / Contribute
by v-zor
on Jun 13, 2013 at 02:47
    There's some perl games codebases to start writing games in SDL and OpenGL with input and output here : http://soft.vub.ac.be/svn-gen/perl-repository/ You can write action, shooter, platform etc. games in perl with it.
Salt Lake Perl Mongers June meeting
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by davido
on Jun 10, 2013 at 13:03

    If you're within driving range of Salt Lake City, Utah (well, Draper, to be more precise), this message is for you:

    See The Salt Lake Perl Mongers website for details and directions.

    We meet the 2nd Tuesday each month. We try to have one "basics" presentation, and one more advanced, to appeal to the broadest possible Perl user-base.

    For the 99.9% of you not within driving range of the Salt Lake Perl Mongers, I appreciate your patience with this announcement. Salt Lake Perl Mongers is in its 3rd month. While I don't intend to post every month, Perl News is a good way to get the word out during these first 90 days.


    Dave

Looking for Amir Karger
2 direct replies — Read more / Contribute
by lwicks
on Jun 06, 2013 at 10:07
    Dear all,

    I am looking for Amir Karger, maintainer of Games::Cards (AKARGER).

    The email address on http://search.cpan.org/~akarger/ bounces and the website listed there is dead. Does anyone have contact details?

    Thanks to all.

    Kia Kaha, Kia Toa, Kia Manawanui!
    Be Strong, Be Brave, Be perservering!

A Just In Time VM for Not Quite Perl
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by raiph
on May 31, 2013 at 17:47
    Update, Jan 2, 2014: Rakudo/MoarVM appears to be passing ~18k of ~28k spectests -- ie it's running a whole lot of Perl 6 code.

    If you're interested in the guts and gore that involves VMs, or re-implementing Perl, or implementing other languages, or hanging out with or helping those who do, you might be interested in MoarVM which "reboots the whole VM idea for Perl, based on experience with Parrot, without many of the flaws of Parrot".

    It looks like most of the current action is on the IRC channel #moarvm on freenode.net (for which logs started earlier today).

5.18.0 is available NOW!
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by Tux
on May 18, 2013 at 11:38

    Please get this new and shiny release of our favorite scripting language. Share and enjoy.

    Front page | perl.perl5.porters | Postings from May 2013 perl 5.18.0 is now available! From:Ricardo Signes Date: May 18, 2013 13:35 Subject: perl 5.18.0 is now available! Message ID:20130518133513.GA22266@cancer.codesimply.com It is an error to divide people into the living and the dead: there are people who are dead-alive, and people who are alive-alive. The dead-alive also write, walk, speak, act. But they make no mistakes; only machines make no mistakes, and they produce only dead things. The alive-alive are constantly in error, in search, in questions, in torment. -- Yevgeny Zamyatin We are excited to announce perl v5.18.0, the first stable release of v +ersion 18 of Perl 5. You will soon be able to download Perl v5.18.0 from your favorite CPAN + mirror or find it at: https://metacpan.org/release/RJBS/perl-5.18.0/ SHA1 digests for this release are: a09281aece16772ca676d842c1b24fb9f9f1a409 perl-5.18.0.tar.bz2 f5a97a9fa4e9d0ef9c4b313c5b778a0e76291ee2 perl-5.18.0.tar.gz You can find a full list of changes in the file "perldelta.pod" locate +d in the "pod" directory inside the release and on the web. Perl v5.18.0 represents approximately 12 months of development since P +erl v5.16.0 and contains approximately 400,000 lines of changes across 2,1 +00 files from 113 authors. Perl continues to flourish into its third decade thanks to a vibrant community of users and developers. The following people are known to h +ave contributed the improvements that became Perl v5.18.0: Aaron Crane, Aaron Trevena, Abhijit Menon-Sen, Adrian M. Enache, Alan +Haggai Alavi, Alexandr Ciornii, Andrew Tam, Andy Dougherty, Anton Nikishaev, Aristotle Pagaltzis, Arthur Axel 'fREW' Schmidt, Augustina Blair, Bob +Ernst, Brad Gilbert, Breno G. de Oliveira, Brian Carlson, Brian Fraser, Charl +ie Gonzalez, Chip Salzenberg, Chris 'BinGOs' Williams, Christian Hansen, +Colin Kuskie, Craig A. Berry, Dagfinn Ilmari Mannsåker, Daniel Dragan, Dani +el Perrett, Darin McBride, Dave Rolsky, David Golden, David Leadbeater, D +avid Mitchell, David Nicol, Dominic Hargreaves, E. Choroba, Eric Brine, Eva +n Miller, Father Chrysostomos, Florian Ragwitz, François Perrad, George + Greer, Goro Fuji, H.Merijn Brand, Herbert Breunung, Hugo van der Sanden, Igor Zaytsev, James E Keenan, Jan Dubois, Jasmine Ahuja, Jerry D. Hedden, J +ess Robinson, Jesse Luehrs, Joaquin Ferrero, Joel Berger, John Goodyear, J +ohn Peacock, Karen Etheridge, Karl Williamson, Karthik Rajagopalan, Kent F +redric, Leon Timmermans, Lucas Holt, Lukas Mai, Marcus Holland-Moritz, Markus +Jansen, Martin Hasch, Matthew Horsfall, Max Maischein, Michael G Schwern, Mich +ael Schroeder, Moritz Lenz, Nicholas Clark, Niko Tyni, Oleg Nesterov, Patr +ik Hägglund, Paul Green, Paul Johnson, Paul Marquess, Peter Martini, Raf +ael Garcia-Suarez, Reini Urban, Renee Baecker, Rhesa Rozendaal, Ricardo Si +gnes, Robin Barker, Ronald J. Kimball, Ruslan Zakirov, Salvador Fandiño, Sa +wyer X, Scott Lanning, Sergey Alekseev, Shawn M Moore, Shirakata Kentaro, Shlo +mi Fish, Sisyphus, Smylers, Steffen Müller, Steve Hay, Steve Peters, Ste +ven Schubiger, Sullivan Beck, Sven Strickroth, Sébastien Aperghis-Tramoni +, Thomas Sibley, Tobias Leich, Tom Wyant, Tony Cook, Vadim Konovalov, Vincent P +it, Volker Schatz, Walt Mankowski, Yves Orton, Zefram. The list above is almost certainly incomplete as it is automatically generated from version control history. In particular, it does not inc +lude the names of the (very much appreciated) contributors who reported iss +ues to the Perl bug tracker. Many of the changes included in this version originated in the CPAN mo +dules included in Perl's core. We're grateful to the entire CPAN community f +or helping Perl to flourish. For a more complete list of all of Perl's historical contributors, ple +ase see the AUTHORS file in the Perl source distribution. We expect to release v5.19.0 on Monday, May 20th, 2013. The next majo +r stable release of Perl 5, version 20, should appear in May 2014. -- rjbs perl 5.18.0 is now available! by Ricardo Signes

    Enjoy, Have FUN! H.Merijn
chef pinto cookbook
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by melezhik
on May 15, 2013 at 06:53
Perl 5.18 RC2 has been released
1 direct reply — Read more / Contribute
by Corion
on May 13, 2013 at 03:55

    The first release of version 18 of Perl 5 is getting close. If you plan on migrating to it or have modules on CPAN, now is a good time to test your code against the upcoming version of Perl.

    1. See the 5.18-RC2 announcement
    2. Download the Release Candidate
    3. Build it (but don't install it)
    4. Run your test suite with RC2 of Perl

    The release of 5.18.0 is expected to be within the next two weeks.

#perl6 highlights/summary for April 25th - May 1st 2013
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by raiph
on May 04, 2013 at 02:35
Pinto Jam Sessions On IRC This Thursday
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by jthalhammer
on Apr 29, 2013 at 14:40

    I'm on IRC just about all the time (my handle is "thaljef"). But I thought it might be interesting to actually schedule a session and invite people to come in and ask questions about Pinto, suggest a feature, report a bug, or just say "Hi".

    So there will be two one-hour jam sessions in the #pinto channel on irc.perl.org this Thursday, May 2. The first will at 14:00 and the second will be at 18:00 (all times GMT). If you haven't used IRC before, this is an excellent guide.

    Hope to see you all then!

ack 2.0 has been released
5 direct replies — Read more / Contribute
by petdance
on Apr 26, 2013 at 21:57

    ack 2.0 has been released. ack is a grep-like search tool that has been optimized for searching large heterogeneous trees of source code.

    ack has been around since 2005. Since then it has become very popular and is packaged by all the major Linux distributions. It is cross-platform and pure Perl, so will run on Windows easily. See the "Why ack?" page for the top ten reasons, and dozens of testimonials.

    ack 2.0 has many changes from 1.x, but here are four big differences and features that long-time ack 1.x users should be aware of.

    • By default all text files are searched, not just files with types that ack recognizes. If you prefer the old ack 1.x behavior of only searching files that ack recognizes, you can use the -k/--known-types option.
    • There is a much more flexible type identification system available. You can specify a file type based on extension (.rb for Ruby), filename (Rakefile is a Ruby file), first line matching a regex (Matching /#!.+ruby/ is a Ruby file) or regex match on the filename itself.
    • Greater support for ackrc files. You can have a system-wide ackrc at /etc/ackrc, a user-specific ackrc in ~/.ackrc, and ackrc files local to your projects.
    • The -x argument tells ack to read the list of files to search from stdin, much like xargs. This lets you do things like git ls | ack -x foo and ack will search every file in the git repository, and only those files that appear in the repository.

    On the horizon, we see creating a framework that will let authors create ack plugins in Perl to allow flexibility. You might create a plugin that allows searching through zip files, or reading text from an Excel spreadsheet, or a web page.

    ack has always thrived on numerous contributions from the ack community, but I especially want to single out Rob Hoelz for his work over the past year or two. If it were not for Rob, ack 2.0 might never have seen the light of day, and for that I am grateful.

    A final note: In the past, ack's home page was betterthangrep.com. With the release of ack 2.0, I've changed to beyondgrep.com. "Beyond" feels less adversarial than "better than", and implies moving forward as well as upward. beyondgrep.com also includes a page of other tools that go beyond the capabilities of grep when searching source code.

    For long time ack users, I hope you enjoy ack 2.0 and that it makes your programming life easier and more enjoyable. If you've never used ack, give it a try.

    xoxo,
    Andy

16th German Perl Workshop 2014 is on its way to Hanover
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by Happy-the-monk
on Apr 25, 2013 at 12:59

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