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cpan-outdated - detect outdated CPAN modules in your environment


# print the list of distribution that contains outdated modules
% cpan-outdated

# print the list of outdated modules in packages
% cpan-outdated -p

# verbose
% cpan-outdated --verbose
# ignore core modules (do not update dual life modules)
% cpan-outdated --exclude-core

# alternate mirrors
% cpan-outdated --mirror file:///home/user/minicpan/

# additional module path(same as cpanminus)
% cpan-outdated -l extlib/
% cpan-outdated -L extlib/

# install with cpan
% cpan-outdated | xargs cpan -i

# install with cpanm
% cpan-outdated | cpanm
% cpan-outdated -p | cpanm


This script prints the list of outdated CPAN modules in your machine.

It's same feature of 'CPAN::Shell->r', but "cpan-outdated" is much faster and uses less

This script can be integrated with cpanm command.


This script by default prints the outdated distribution as in the CPAN distro format, i.e:
"A/AU/AUTHOR/Distribution-Name-0.10.tar.gz" so you can pipe into CPAN installers, but with
"-p" option it can be tweaked to print the module's package names.

If you wish to manage a set of modules separately from your system perl installation and
not install newer versions of "dual life modules" that are distributed with perl, the
"--exclude-core" option will make cpan-outdated ignore changes to core modules. Used with
tools like cpanm and its "-L --local-lib-contained" and "--self-contained" options, this
facilitates maintaining updates on standalone sets of modules.

For some tools such as cpanm installing from packages could be a bit more useful since you
can track to see the old version number where you upgrade from.

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