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How do I add a directory to my include path at runtime?

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How do I add a directory to my include path at runtime?

Here are the suggested ways of modifying your include path:

    the PERLLIB environment variable
    the PERL5LIB environment variable
    the perl -Idir commpand line flag
    the use lib pragma, as in
        use lib "$ENV{HOME}/myown_perllib";

The latter is particularly useful because it knows about machine dependent architectures. The lib.pm pragmatic module was first included with the 5.002 release of Perl.

Source: Perl FAQ: System Interaction
Copyright: Copyright (c) 1997 Tom Christiansen and Nathan Torkington.

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