my (%handle, $fh, $count);
$handle{02} = \*OUTPUT;

while(my $line = <INPUT>) {
    if(substr($_, 0, 9) !~ /\D/) {
        chomp $line;

        my $year;
        ($line, $year) = validLine($_);
        $line .= "\n";

        $count = $year ne "02" ? \$y_count : \$o_count;
        $fh = $handle{$year} || do {
            open my($newfh), ">>", $path."year$year.txt"
                or die "Cannot open file: $!\n";
            $newfh;
        };
    }
    else {
        $fh = \*DISCARD;
        $count = \$d_count;
    }
      
    ++$$count;
    print $fh $line;
}