cpan

What do I need to set up and maintain a local CPAN mirror? What scripts and best practices should I be aware of? This could be useful: http://www.cpan.org/misc/cpan-faq.html#How_mirror_CPAN CPAN::Mini is the way to go. Once you've mirrored CPAN locally, you'll want to set your mirror URL in CPAN.pm or CPANPLUS to the local directory using a "file:" URL like this: file:///path/to/my/cpan/mirror If you'd like your mirror to have copies of development versions of CPAN distribution, you can use CPAN::Mini::Devel . Update: The "What do I need to mirror CPAN?" FAQ given in another answer is for

If I want to distribute a Perl script, what is the best way to painlessly install any required modules that are missing on the user's system? Extra credit if there is a way to even install/upgrade Perl itself if it is missing or "too old". Auto-installing software is the best way to make both end users and sysadmins very angry with you. Forget about this approach. You can simply ship all your dependencies with your application distro, the inc directory is customary. Usually this ends with CPAN-like package creation. So, when you need to install all dependencies you type make installdeps See

As usual, I'm happy to deal with CPAN because it got all we need. As usual, I'm lost because there is plenty of stuff. I can find the core JSON one by myself, and feel enthusiastic by a JSON::Tiny other. My needs are very simple (parsing stuffs from the Open Library API ) and, maybe someday, expose our own data. Is there any other modules that you like for this task? Miguel Prz JSON module works like a champ, but if you need a faster parser, use this one: JSON::XS , which requires a native compilation. Note that JSON version 2.0 and above is merely a front end for JSON::XS (if installed) or

How do you find the version of an installed Perl module? This is in an answer down at the bottom, but I figure it important enough to live up here. With these suggestions, I create a function in my .bashrc function perlmodver { perl -M$1 -e 'print "Version " . $ARGV[0]->VERSION . " of " . $ARGV[0] . \ " is installed.\n"' $1 } Why are you trying to get the version of the module? Do you need this from within a program, do you just need the number to pass to another operation, or are you just trying to find out what you have? I have this built into the cpan (which comes with perl) with the -D

Until now I used ActiveState 's ActivePerl , and used the ppm for installing modules. Last week I moved to Strawberry Perl , but I don't know how I should install modules using Strawberry Perl. What is some information on how module installation is done using Strawberry Perl or is there some link on how to install new modules? Alexandr Ciornii You can still use ppm , but it is not recommended. Run CPAN client from the Strawberry Perl or Strawberry Perl (64-bit) , sub folder Tools , entry in the Start menu. Type install Module::Name there. As Alexandr says, you can use the CPAN client via the

Aside from trying perldoc <module name> individually for any CPAN module that takes my fancy or going through the file system and looking at the directories I have no idea what modules we have installed. What's the easiest way to just get a big list of every CPAN module installed? From the command line or otherwise. pjf This is answered in the Perl FAQ, the answer which can be quickly found with perldoc -q installed . In short, it comes down to using ExtUtils::Installed or using File::Find , variants of both of which have been covered previously in this thread. You can also find the FAQ entry