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CPAN, the Comprehensive Perl Archive Network, is an archive of over 100, 000 modules of software written in Perl, as well as documentation for it.
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CPAN and Comprehensive
In 2008, after a chance meeting with CPAN admin Adam Kennedy at the Open Source Developers Conference, Linux kernel developer Rusty Russell created the CCAN, the Comprehensive C Archive Network.
* ZCAN-" The Zen of Comprehensive Archive Networks "-a document that aims to explain how and why CPAN succeeded and how to duplicate it in similar efforts.
Unlike the Comprehensive Perl Archive Network ( CPAN ) archives, which PEAR took as its model, PEAR packages do not have implicit dependencies so that a package's placement in the PEAR package tree does not relate to code dependencies.
Other examples are for the Comprehensive Perl Archive Network ( CPAN ), which is a repository for Perl libraries ( known as modules ) that are not part of the core Perl distribution.
He is a regular contributor to CPAN ( the Comprehensive Perl Archive Network ), and has written for Perl. com and contributed to Essential Blogging.
CPAN and Perl
The Artistic License refers most commonly to the original Artistic License ( version 1. 0 ), a software license used for certain free and open source software packages, most notably the standard Perl implementation and most CPAN modules, which are dual-licensed under the Artistic License and the GNU General Public License ( GPL ).
** The Artistic License ( the original Artistic License 1. 0, the one which is still used by Perl and CPAN )
CPAN can denote either the archive network itself, or the Perl program that acts as an interface to the network and as an automated software installer ( somewhat like a package manager ).
CPAN is also used to distribute new versions of Perl, as well as related projects, such as Parrot.
The CPAN is an important resource for the professional Perl programmer.
With over 23, 000 modules ( containing 20, 000, 000 lines of code ) as of July 2011, the CPAN can save programmers weeks of time, and large Perl programs often make use of dozens of modules.
Finally, the natural hierarchy of Perl module names ( such as " Apache :: DBI " or " Lingua :: EN :: Inflect ") can sometimes be used to browse modules in the CPAN.
Several search engines have been written to help Perl programmers sort through the CPAN.
There is also a Perl core module named CPAN ; it's usually differentiated from the repository itself by calling it CPAN. pm.
An interactive shell called < tt > cpan </ tt > is also provided in the Perl core, and is the usual way of running CPAN. pm.
Authors can upload new distributions to the CPAN through the Perl Authors Upload Server ( PAUSE ).
Experienced Perl programmers often comment that half of Perl's power is in the CPAN.
The CPAN has grown so large and comprehensive over the years that many people learning Perl seem to elevate it to a sort of mythical status, and express surprise when they begin to encounter topics for which a CPAN module doesn't exist already.
As a hive of activity in the Perl world, the CPAN both shapes and is shaped by Perl culture.
Several Perl modules available from CPAN provide serialization mechanisms, including and.
* Text :: Metaphone Perl module from CPAN
* Text :: DoubleMetaphone Perl module from CPAN
* Perl, via the CPAN modules Class :: Contract ( by Damian Conway ) or Carp :: Datum ( by Raphael Manfredi ).
* Damian Conway's Class :: Contract Perl module from CPAN
* Raphael Manfredi's Carp :: Datum Perl module from CPAN
CPAN and is
Most software on CPAN is free and open source software.
There is no formal bug tracking system, but there is a third-party bug tracking system that CPAN designated as the suggested official method of reporting issues with modules.
CPAN has no revision control system, although the source for the modules is often stored on GitHub.
Also, the complete history of the CPAN and all its modules is available as the GitPAN project, allowing to easily see the complete history for all the modules and for easy maintenance of forks.
CPAN module distributions usually have names in the form of CGI-Application-3. 1 ( where the :: used in the module's name has been replaced with a dash, and the version number has been appended to the name ), but this is only a convention ; many prominent distributions break the convention, especially those that contain multiple modules.
The heart of CPAN is its worldwide network of more than 260 mirrors in more than 60 countries.
The most popular and official is search. cpan. org, which includes textual search, a browsable index of modules, and extracted copies of all distributions currently on the CPAN.
* CPAN Dependencies, which combines data from META. yml files and the CPAN testers to graphically show a module's dependencies and attempt to calculate how likely it is to work on a particular platform.
* CPAN :: Forum is a discussion forum where threads are classified by CPAN distribution
CPAN. pm is mainly an interactive shell which can be used to search for, download, and install distributions.
Other major languages, such as Java and C ++, have nothing similar to the CPAN ( though for Java there is central Maven, and C ++ has the Boost C ++ Libraries ).
The JSAN is a near-direct port of the CPAN infrastructure for use with the JavaScript language, which for most of its lifespan did not have a cohesive " community ".
CPAN and archive
The Perl archive, CPAN, is based on the CTAN model.
Always check CPAN to see what new goodies the community has placed in the archive.
CPAN and modules
* AnnoCPAN displays the documentation for all the modules on CPAN, along with user-contributed annotations
More recently, an effort to replace CPAN. pm with something cleaner and more modern has resulted in the CPANPLUS or CPAN ++ set of modules.
; Perl: The and modules from CPAN can be used to create UUIDs.
Notable members include the creator of the Perl language, the authors of several well-known Perl books and the authors of numerous CPAN modules.
CPAN authors frequently promote and provide support for their modules
It picks up right where " Learning Perl " left off, and takes the reader from the most basic features of Perl references all the way through to creating Perl modules and distributing them to CPAN.
is a pure Perl 5 implementation of Perl 6, making liberal use of existing CPAN modules, such as Moose and.
CPAN, the Perl 5 module distribution system, does not yet handle Perl 6 modules.
As of version 6. 2. 6, Pugs also has the ability to embed Perl 5 and use CPAN modules installed on the system.
Many Pugs contributors have since moved on to implement Perl6-inspired systems as CPAN modules on Perl 5, such as the Moose project.
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