for( my $i = 0; $i <= $#array; $i++) { unless (($first->{$t1}->{$array[$i]}) == ($second->{$t2}->{$array[$i]}) ) { chomp($first->{$t1}->{$array[$i]}); print SENDMAIL "$first->{$t1}->{$array[$i]}\n"; } else { chomp($first->{$t1}->{$array[$i]}); printcell($first->{$t1}->{$array[$i]}); } }