$ perl -wle 'require "base"'
    Can't locate base in @INC (@INC contains: /home/abigail/Perl /opt/perl/lib/5.8.2/i686-linux-64int-ld /opt/perl/lib/5.8.2 /opt/perl/lib/site_perl/5.8.2/i686-linux-64int-ld /opt/perl/lib/site_perl/5.8.2 /opt/perl/lib/site_perl/5.8.1/i686-linux-64int-ld /opt/perl/lib/site_perl/5.8.1 /opt/perl/lib/site_perl/5.8.0 /opt/perl/lib/site_perl .) at -e line 1.
    $ perl -wle 'require "base.pm"'
    $