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All the Perl that's Practical to Extract and Report


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What I like most about perl 5.10
  • say (30)
  • state variables (3)
  • // (defined or) (61)
  • ~~ (smart match) (31)
  • regexp improvements (28)
  • switch statement (given, when) (29)
  • all of the above (115)
  • none of the above (write-in) (15)
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    Final Perl history conversion coming soon!

    Journal written by mugwumpjism (1871) and posted by brian_d_foy on 2007.12.02 1:10   Printer-friendly

    Well, some time has passed, and I am getting very close to making a release of the Perl 5 project history, converted to git.

    I would have written this article about it on this site, but I wanted to include the gitk screenshots :-). If you're interested on how the Perforce to Git conversion happened, then read this article!

    YAPC::Europe 2008, Call for Attention

    posted by brian_d_foy on 2007.12.01 16:13   Printer-friendly
    jonasbn writes "The dates for the annual YAPC::Europe conference to be held in Copenhagen in 2008 have been settled. The hosts, Copenhagen Perl Mongers, are happy to inform you that the event will take place across 3 days, from Wednesday the 13th to Friday the 15th of August 2008, at the magnificent venue of Copenhagen Business School.

    The venue is a modern school in the heart of Copenhagen, which will provide a great frame for Yet Another Perl Conference in Europe with the theme of 'Beautiful Perl' in wonderful Copenhagen.

    Informational wiki is available and future announcements will be published on the conference website, http://www.yapceurope2008.org/ and in other relevant fora.

    Thank you for you attention — hoping to see you in Copenhagen in 2008 for YAPC::Europe,

    Copenhagen Perl Mongers"

    Vienna.pm Winter of Code

    Journal written by domm (4030) and posted by brian_d_foy on 2007.12.01 10:31   Printer-friendly
    YAPC::Europe 2007 left Vienna.pm with quite a lot of money. We want to give part of this money back to the Perl community by hosting the Winter of Code (with apologies to Google...).

    You can find detailed information in our new and shiny Wiki.

    For those too lazy to follow links, here's the super-short summary:

    • We have about €20,000 to spend.
    • ~ €6,000 will go into various kinds of awards.
    • ~ €5,000 will be paid for fixing TODO tests.
    • we will pay for weekly p5p summaries.
    • the rest will go either into more bounties or be donated to the grant programm of TPF.

    Please check out the wiki for more information, and discussion. We may even set up a dedicated mailing list for Winter of Code... Stay tuned!

    Perl 6 Design Minutes for 14 November 2007

    Journal written by chromatic (983) and posted by brian_d_foy on 2007.11.30 13:40   Printer-friendly
    The Perl 6 design team met by phone on 14 November 2007. Larry, Patrick, Nicholas, and Jesse attended.

    SF.pm lightning talk

    Journal written by miyagawa (1653) and posted by brian_d_foy on 2007.11.29 9:58   Printer-friendly
    So I went down to SF.pm meeting and gave two lightning talks about Web::Scraper and takesako-san's neat IMG tag hackery. These talks went well and other talks were interesting too. Photos uploaded to Flickr tagged sf.pm.

    Imager tiff support

    Journal written by tonyc (123) and posted by brian_d_foy on 2007.11.29 9:56   Printer-friendly

    Imager's tiff support has been greatly extended to:

    • add support for large sample sizes, Imager can now read and write 16 and 32-bit/sample RGB and greyscale images and manipulate them.
    • read and write bi-level images
    • allow selection of the compression used for the image.
    • work around some bugs in various versions of libtiff's RGBA image support, in particular alpha channel handling for grey and cmyk images.

    This is a large change, so I've released Imager 0.61_02 as a test release. If you use Imager with TIFF much, please give it a go.

    I'm planning on a 0.62 release in a week or so.

    Redux

    Journal written by Yanick (3196) and posted by brian_d_foy on 2007.11.29 9:56   Printer-friendly

    Lately, I've been having fun with GreaseMonkey. Net result: I've re-implemented my Perl-themed friends/foes icons (originally done using Stylish) and hacked RT to provide sorting of bugs by severity (I got the idea for that one from Schwern's journal). Both monkey scripts are available on userscript.org.

    Also, a new version of Pod::Manual is out. The code to generate my unexpectedly wildly popular ad-hoc Catalyst manual was already included in the previous distributions, and in this one I added a similar manual for Rose::DB::Object. The order in which the modules are given is a little rough and need improvement, but it's a start. For those who care more about the end than the means, the pdf of both manuals are available here

    .

    CPANdeps can now filter results by OS

    Journal written by drhyde (1683) and posted by brian_d_foy on 2007.11.29 9:53   Printer-friendly
    CPANdeps can now filter results by OS. Because people asked for it. Personally, I don't think it's very useful. The purpose of the site was originally to help module authors determine which modules are good to depend on because they're easy for your users to install. It's rare for a module author to have control over what OS his users are suffering from (the obvious exception being platform-specific modules like Solaris::Procfs, BSD::Resource, or Win32::DriveInfo) and so filtering by OS isn't helpful.

    XML::Compile::SOAP milestone

    posted by brian_d_foy on 2007.11.29 9:51   Printer-friendly
    markov writes "In the past year, I hdeveloped a new XML module, named XML::Compile. It is a full implementation of XML Schemas. Namespaces, data validation, and formatting needs are hidden at the Perl side, but are strictly applied on the XML.

    Now, the next hurdle has been taken: SOAP. Yes, there now is a good SOAP::Lite alternative. XML::Compile::SOAP currenlty supports WSDL1.1 and SOAP1.1 over HTTP, the usual combination. This includes support for header blocks and automatic handling of faults (both client and server side errors). Supported are Document-style, RPC-literal style, and RPC-encoded style SOAP messages.

    In the design, no concessions were made to the intension of XML: the output of your program is strictly typed, producing predictable results. At the same time, the included examples will demonstrate that the Perl interface for SOAP is kept extremely simple: a working SOAP client within 5 lines of code.

    In the forseeable future, a Net::Server based SOAP daemon will be released (with an WSDL file, you only need to add callbacks). Furthermore, WSDL1.2, SOAP1.2, and older schema version will get attention. For now, I would really like to invite early-adopters to give it a try."

    News: Patch fixes buffer overflow in regexp compiler

    posted by brian_d_foy on 2007.11.29 9:45   Printer-friendly
    nicholas writes "Perl 5 Porters have released a fix to the regexp engine, which Google researchers recently discovered had a buffer overflow when compiling very specific patterns. Note that the pattern is the risk, not the data it matches.

    All Perl users should consider updating their Perl installation to address CVE-2007-5116:

    London Perl Workshop

    Journal written by acme (189) and posted by brian_d_foy on 2007.11.26 10:40   Printer-friendly
    This Saturday is the extravaganza that is the London Perl Workshop. I'm going to give my Scaling with memcached talk and then I'll be in charge of a lightning talk sesssion - I promise to be very mean with people who think they need slides for a five minute talk. See you there!

    Perl 6 on Parrot Roadmap

    Journal written by pmichaud (6013) and posted by brian_d_foy on 2007.11.26 6:54   Printer-friendly
    On Friday I wrote up a brief ROADMAP for Perl 6 on Parrot development, and rather than repeat it all as a journal post I'll just link to it. It really does describe where we've been, and where we're going in the next couple of months as far as Perl 6 development.

    If you're wondering where this fits -- right now I'm aware of three Perl 6 implementations underway:

    • Pugs - Haskell-based implementation (http://www.pugscode.org/)
    • perl6 - Parrot-based implementation (http://www.parrotcode.org/)
    • KindaPerl6 - Perl 5/6-based implementation (http://www.pugscode.org/)

    So, the implementation I've been focusing on is the one for Parrot, and that's where my journal entries will tend to focus.

    More soon...

    Perl 5.10.0 RC 2 released

    posted by rafael on 2007.11.26 5:18   Printer-friendly
    Perl 5.10.0 Release Candidate 2 is out, ready to be downloaded from your nearest CPAN mirror. You are welcome to compile it, try it, and test your favorite modules with it. The perldelta page documents what's new in this major version.

    rt.cpan.org, sort by severity

    Journal written by schwern (1528) and posted by brian_d_foy on 2007.11.25 10:12   Printer-friendly
    It's always annoyed me that rt.cpan.org can no longer sort tickets by severity. This isn't such a big deal unless you have a lot of tickets, as I do. MakeMaker alone has over 90.

    I found RT::Client::REST and hacked up their example to produce for me a list by severity. Yay! If one cared, you could encode the search results as JSON and make some sort of clever web interface with resortable columns.

    App::sync_cpantesters

    Journal written by hanekomu (8123) and posted by brian_d_foy on 2007.11.25 10:12   Printer-friendly

    I've released App::sync_cpantesters. Here is the manpage of bin/sync_cpantesters:

    Fosdem 2008 Perl Dev room ?

    Journal written by eco (7186) and posted by brian_d_foy on 2007.11.24 4:51   Printer-friendly

    Fosdem, a major open source event, will be held in Brussels on 23-24 february 2008. Fosdem is known to be a major open source event with key people like Richard M Stallman and Jim Gettys. The conference is build around multiple interest "developers rooms" (There used to be a Python dev room for example)

    The "developers room" assignment procedure starts with a call for interest and the organizers ask to send a request form before 26 November 2007. Before actually submitting the request I'd like to poll the Perl Community. Interested speakers and attendees: please send me a private mail mentioning your interest !

    CPANdeps now cares about perl version numbers

    Journal written by drhyde (1683) and posted by brian_d_foy on 2007.11.24 4:49   Printer-friendly

    CPANdeps now cares about what version of perl you're running. It lets you restrict test results to just the specified version, or look at all versions.

    It also now uses Parse::CPAN::Packages instead of CPAN.pm to figure out what distribution each module lives in. That means that I now no longer have the huge startup time of CPAN.pm to worry about, so can drop mod_perl. Phew!

    News: Live broadcast of the French Perl Workshop!

    posted by brian_d_foy on 2007.11.18 8:48   Printer-friendly
    BooK writes "The talks appearing in the main room (Booking.com) of the French Perl Workshop will be broadcast live (the videos will stay available afterwards), thanks to our sponsor CC-IN2P3. There is also a webchat linked on the videos page, and of course #fpw2007 on irc.perl.org will have the French crowd hand around."

    MMS::Parser

    Journal written by polettix (7564) and posted by brian_d_foy on 2007.11.16 4:43   Printer-friendly
    Some days ago I finally uploaded to CPAN a first release of MMS::Parser, which is wandering in my PC since a long time. It's a library to parse binary MMS messages, for the moment supporting the two main "scenarios" regarding the outgoing message and the incoming one.

    While it is more or less usable (my colleagues are using it in a demo application somewhere) it really lacks documentation, and test coverage is not complete.

    Moreover, I'm planning to produce a real object hierarchy instead of a simple HoH, so I'll probably take a look somewhere around MIME::*.

    Cool hack: annotating compatibility in test suites

    Journal written by ChrisDolan (2855) and posted by brian_d_foy on 2007.11.16 4:42   Printer-friendly
    Here's a fun bit of code that I didn't really expect to work. It flags a test as TODO only if client code indicates that it's designed for an older version of a test suite.

    Background: I'm working on Test::Virtual::Filesystem, which is a collection of generic tests that exercise a filesystem with typical actions like open, read, write, stat, unlink, mkdir, etc. Users of this code will run it in a .t file to ensure that their filesystem works. But what if I change Test::Virtual::Filesystem to add a new test that breaks some filesystem published on CPAN that used to work with the old version of the test suite?

    To solve this, Test::Virtual::Filesystem is written like so (trimmed heavily for readability):
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