or download this
[red@dhcp201 ~]$ perl -e 'include x::y;'
Can't locate object method "include" via package "x::y" (perhaps you f
+orgot to load "x::y"?) at -e line 1.
...
/usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/usr/lib/perl5/s
+ite_perl/5.8.7/i386-linux-thread-multi/usr/lib/perl5/site_perl/5.8.6/
+i386-linux-thread-multi/usr/lib/perl5/site_perl/5.8.5/i386-linux-thre
+ad-multi/usr/lib/perl5/site_perl/5.8.8/usr/lib/perl5/site_perl/5.8.7/
+usr/lib/perl5/site_perl/5.8.6/usr/lib/perl5/site_perl/5.8.5/usr/lib/p
+erl5/site_perl/usr/lib/perl5/vendor_perl/5.8.8/i386-linux-thread-mult
+i/usr/lib/perl5/vendor_perl/5.8.7/i386-linux-thread-multi/usr/lib/per
+l5/vendor_perl/5.8.6/i386-linux-thread-multi/usr/lib/perl5/vendor_per
+l/5.8.5/i386-linux-thread-multi/usr/lib/perl5/vendor_perl/5.8.8/usr/l
+ib/perl5/vendor_perl/5.8.7/usr/lib/perl5/vendor_perl/5.8.6/usr/lib/pe
+rl5/vendor_perl/5.8.5/usr/lib/perl5/vendor_perl/usr/lib/perl5/5.8.8/i
+386-linux-thread-multi/usr/lib/perl5/5.8.8.[red@dhcp201 ~]$
[red@dhcp201 ~]$ find /usr/lib/perl5/ -name y.pm
/usr/lib/perl5/site_perl/5.8.8/x/y.pm