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Check Perl Packages and see which are newer

perl -e 'use CPAN; CPAN::Shell->r;'


Check Perl versions and also install all updates.
It will NOT upgrade Perl to a higher version unless you force it to !

perl -MCPAN -e 'CPAN::Shell->install(CPAN::Shell->r)'
Its a bit of memmory sucker...

This is easier but show less info:
cpan-outdated -p | cpanm

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