PL2PM(1) Perl Programmers Reference Guide PL2PM(1)
pl2pm - Rough tool to translate Perl4 .pl files to Perl5 .pm modules.
pl2pm is a tool to aid in the conversion of Perl4-style .pl library files
to Perl5-style library modules. Usually, your old .pl file will still
work fine and you should only use this tool if you plan to update your
library to use some of the newer Perl 5 features, such as AutoLoading.
It's just a first step, but it's usually a good first step.
Larry Wall <firstname.lastname@example.org>
perl v5.30.3 2021-11-13 PL2PM(1)