FAQ 2.6 What modules and extensions are available for Perl? What is CPAN? What does CPAN/src/... mea

Discussion in 'Perl Misc' started by PerlFAQ Server, Mar 7, 2011.

  1. This is an excerpt from the latest version perlfaq2.pod, which
    comes with the standard Perl distribution. These postings aim to
    reduce the number of repeated questions as well as allow the community
    to review and update the answers. The latest version of the complete
    perlfaq is at http://faq.perl.org .


    2.6: What modules and extensions are available for Perl? What is CPAN? What does CPAN/src/... mean?

    CPAN stands for Comprehensive Perl Archive Network, a multi-gigabyte
    archive replicated on hundreds of machines all over the world. CPAN
    contains source code, non-native ports, documentation, scripts, and many
    third-party modules and extensions, designed for everything from
    commercial database interfaces to keyboard/screen control to web walking
    and CGI scripts. The master web site for CPAN is http://www.cpan.org/
    and there is the CPAN Multiplexer at http://www.cpan.org/CPAN.html which
    will choose a mirror near you via DNS. See http://www.perl.com/CPAN
    (without a slash at the end) for how this process works. Also,
    http://mirror.cpan.org/ has a nice interface to the
    http://www.cpan.org/MIRRORED.BY mirror directory.

    See the CPAN FAQ at http://www.cpan.org/misc/cpan-faq.html for answers
    to the most frequently asked questions about CPAN including how to
    become a mirror.

    "CPAN/path/..." is a naming convention for files available on CPAN
    sites. CPAN indicates the base directory of a CPAN mirror, and the rest
    of the path is the path from that directory to the file. For instance,
    if you're using ftp://ftp.funet.fi/pub/languages/perl/CPAN as your CPAN
    site, the file "CPAN/misc/japh" is downloadable as
    ftp://ftp.funet.fi/pub/languages/perl/CPAN/misc/japh .

    Considering that, as of 2006, there are over ten thousand existing
    modules in the archive, one probably exists to do nearly anything you
    can think of. Current categories under "CPAN/modules/by-category/"
    include Perl core modules; development support; operating system
    interfaces; networking, devices, and interprocess communication; data
    type utilities; database interfaces; user interfaces; interfaces to
    other languages; filenames, file systems, and file locking;
    internationalization and locale; world wide web support; server and
    daemon utilities; archiving and compression; image manipulation; mail
    and news; control flow utilities; filehandle and I/O; Microsoft Windows
    modules; and miscellaneous modules.

    See http://www.cpan.org/modules/00modlist.long.html or
    http://search.cpan.org/ for a more complete list of modules by category.

    CPAN is a free service and is not affiliated with O'Reilly Media.


    The perlfaq-workers, a group of volunteers, maintain the perlfaq. They
    are not necessarily experts in every domain where Perl might show up,
    so please include as much information as possible and relevant in any
    corrections. The perlfaq-workers also don't have access to every
    operating system or platform, so please include relevant details for
    corrections to examples that do not work on particular platforms.
    Working code is greatly appreciated.

    If you'd like to help maintain the perlfaq, see the details in
    PerlFAQ Server, Mar 7, 2011
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