in reply to perl-doc vs perldoc vs Perldoc
In this context you're using Debian (ubuntu?) and the error message says:
- You need to install the perl-doc package to use this program.
This is telling you to install the distros "perl-doc" package - not a package from CPAN.
Assuming Debian/Ubuntu you'd run "apt-get install perl-doc" to install the package, after which "perldoc" will work.
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Seekers of Perl Wisdom