administrator@varunraj ~/scripts
$ perl ex1.pl
Can't locate Data/Dupmer.pm in @INC (@INC contains: /usr/lib/perl5/5.10/i686-cyg
win /usr/lib/perl5/5.10 /usr/lib/perl5/site_perl/5.10/i686-cygwin /usr/lib/perl5
/site_perl/5.10 /usr/lib/perl5/vendor_perl/5.10/i686-cygwin /usr/lib/perl5/vendo
r_perl/5.10 /usr/lib/perl5/vendor_perl/5.10 /usr/lib/perl5/site_perl/5.8 /usr/li
b/perl5/vendor_perl/5.8 .) at ex1.pl line 5.
BEGIN failed--compilation aborted at ex1.pl line 5.