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.\"
.IX Title "CPAN-OUTDATED 1p"
.TH CPAN-OUTDATED 1p "2022-06-05" "perl v5.34.0" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
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.nh
.SH "NAME"
cpan\-outdated \- detect outdated CPAN modules in your environment
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 2
\&    # print a list of distributions that contain outdated modules
\&    % cpan\-outdated
\&
\&    # print a list of outdated modules in packages
\&    % cpan\-outdated \-p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\&    % cpan\-outdated \-\-verbose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\&    % cpan\-outdated \-\-exclude\-core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\&    % cpan\-outdated \-\-mirror file:///home/user/minicpan/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\&    % cpan\-outdated \-l extlib/
\&    % cpan\-outdated \-L extlib/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\&    % cpan\-outdated | xargs cpan \-i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\&    % cpan\-outdated    | cpanm
\&    % cpan\-outdated \-p | cpanm
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
This script prints a list of outdated \s-1CPAN\s0 modules on your machine.
.PP
This is the same feature as 'CPAN::Shell\->r', but \f(CW\*(C`cpan\-outdated\*(C'\fR is much faster and uses less memory.
.PP
This script can be integrated with the cpanm command.
.SH "PRINTING PACKAGES VS DISTRIBUTIONS"
.IX Header "PRINTING PACKAGES VS DISTRIBUTIONS"
This script by default prints the outdated distribution as in the \s-1CPAN\s0
distro format, i.e: \f(CW\*(C`A/AU/AUTHOR/Distribution\-Name\-0.10.tar.gz\*(C'\fR so
you can pipe it into \s-1CPAN\s0 installers, but with the \f(CW\*(C`\-p\*(C'\fR option it can be
tweaked to print the module's package names.
.PP
If you wish to manage a set of modules separately from your system
perl installation and not install newer versions of \*(L"dual life modules\*(R"
that are distributed with perl, the \f(CW\*(C`\-\-exclude\-core\*(C'\fR option will make
cpan-outdated ignore changes to core modules. Used with tools like
cpanm and its \f(CW\*(C`\-L \-\-local\-lib\-contained\*(C'\fR and \f(CW\*(C`\-\-self\-contained\*(C'\fR options,
this facilitates maintaining updates on standalone sets of modules.
.PP
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
which you upgrade from.
.SH "AUTHOR"
.IX Header "AUTHOR"
Tokuhiro Matsuno
.SH "LICENSE"
.IX Header "LICENSE"
Copyright (C) 2009 Tokuhiro Matsuno.
.PP
This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
\&\s-1CPAN\s0
.PP
App::cpanminus
.PP
If you want to see what's changed for modules that require upgrades, use cpan-listchanges