qwurx [shmem] ~ > perl -le 'use vars qw($foo); print "$_ => $INC{$_}" for sort keys %INC' Carp.pm => /usr/lib/perl5/5.8.8/Carp.pm Exporter.pm => /usr/lib/perl5/5.8.8/Exporter.pm strict.pm => /usr/lib/perl5/5.8.8/strict.pm vars.pm => /usr/lib/perl5/5.8.8/vars.pm warnings.pm => /usr/lib/perl5/5.8.8/warnings.pm warnings/register.pm => /usr/lib/perl5/5.8.8/warnings/register.pm