Select Code to Download

$ cat ../script.pl
#!/usr/bin/perl
...

$ ../script.pl
Foo?

$ perl -le'print for @INC'
/home/eric/lib/perl5/i486-linux-gnu-thread-multi   <-- From PERL5LIB
...
/usr/lib/perl/5.8
/usr/share/perl/5.8
/usr/local/lib/site_perl

$ cat Foo.pm
print("Foo!\n");
...

$ perl -T -I. -e'use Foo'
Foo!