@format=(9, 17, 10, 5, 6, 1, 11);

print_record($record, @format);

sub print_record {
        $record = shift;
        @format = @_;
        for (@format) {
                $i++;
                $value = substr($record, $pointer, $_);
                $pointer += $_;
                print "value: '$value'\n" if $i % 2;
                }
        }