Effective Perl Programming: Ways to Write Better, More Idiomatic Perl, Second Edition > CPAN > Item 69. Ensure that Perl can find your modules

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Perl modules are just files that the use directive loads into your programs. How does Perl find these files given just the module name?

Perl searches an include path, which is a list of directories stored in the global variable @INC.

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Chapter 7. CPAN > Item 69. Ensure that Perl can find your modules