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    while ( $mycorpus{$filename} =~ /date:#(\d+)#/g ) {
        $date = $1;
    }

    while ( $mycorpus{$filename} =~ /comment:#(.*?)#/g ) {
        my $dataset = $1;
        while ($dataset =~ /(\w+) (?= ( (?:\s\w+){4} ) )/gx) {
          $counts{$date}{"$1 $2"}++;
        }
    }