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in reply to If it is not a core module, then what is it?

Well, it depends...

A core module is one that is shipped along side the perl source/binary. A non-core module would, obviously, be any other module. However, some core modules lead dual lives on CPAN. These modules, once they have newer versions released to CPAN, will later be re-integrated back into the core.

A third-party module would encompass, i believe, not only all modules found on CPAN, but those shipped with other applications or available for download elsewhere (such as sourceforge).

I hope that makes sense. :) -- someone please correct me if i'm wrong.

--
"Go up to the next female stranger you see and tell her that her "body is a wonderland."
My hypothesis is that she’ll be too busy laughing at you to even bother slapping you.
" (src)

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Re^2: If it is not a core module, then what is it?
by Anonymous Monk on Sep 29, 2006 at 12:19 UTC
    A core module is one that is shipped along side the perl source/binary.
    Almost.
    Core modules come with the perl sources and reside in archlib ("perl -V:archlib").
    They (like perl) are maintained by the perl5-porters.
    Module::CoreList