./perl -e 'print join ":",@INC'
/usr/lib/perl5/site_perl/5.8.3/i386-linux-thread-multi:/usr/lib/perl5/site_perl/5.8.3:/opt/perl/lib/5.8.8/i686-linux:/opt/perl/lib/5.8.8:/opt/perl/lib/site_perl/5.8.8/i686-linux:/opt/perl/lib/site_perl/5.8.8:/opt/perl/lib/site_perl