use strict; my @responses = (500, 300, 200, 400, 500, 300, 200, 500, 400, 500); while () { chomp; my $response = $responses[$_]; unless ($response == 200) { next if $response == 500; print "[$_] $response\n"; } } __DATA__ 0 1 2 3 4 5 6 7 8 9