Modifying @INC

From: Perldiscuss - Perl Newsgroups And Mailing Lists (shahj_at_india.hp.com)
Date: 07/29/04 

Date: 29 Jul 2004 05:14:45 -0000
To: beginners@perl.org

I want to add some paths to the @INC array to resolve certain package
names at runtime.

One of the methods is: "push(@INC,$path) or unshift($path,@INC)" and then
say "require package_name;".
the problem with this is that we still need to use the "::" operator with
the symbols to resolve the package namespace.
eg: package_name::test_sub();

The other method that I came across was to use the PERL5LIB/ PERLLIB
environment variable. This actually needs us to create an OS level env
variable, which I would like to avoid.

Apart from these is there a method that can modify @INC at runtime.

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