Yes, modify @INC instead of using lib ;)
## instead of the standard
## BEGIN { unshift(@INC, LIST) }
## do
BEGIN { push(@INC, LIST) }
It's important to take a look into the modules you use every once in a while, especially the pragmas ~ you'll learn a thing or two.
BTW ~ I'm not sure how this will effect version issues,
like if you "use CGI 2.81;", and your lib has it, but the standard lib has 2.71.
update:
If you're in the above situation,
you could work some magic like in robustly list any Perl code's module dependencies and get fancy with it.
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** The Third rule of perl club is a statement of fact: pod is sexy.