He never said he can't use modules, he just can't use ones tha don't come with the default perl build. I too run into the very same issue ... my gov customer has 100's of workstations, and I can't code to something that would require them to install modules from CPAN. So you don't know what your talking about ...
What is the difference between code on perlmonks and code on CPAN? neither is installed with perl by default, so Yes, even you can use CPAN, A Guide to Installing Modules, Top 11 (GOOD) reasons not to use someone else's Modules, Top Seven (Bad) Reasons Not To Use Modules
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