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// Note that session.getVariable( "BLOCK" ) needs to return the
// block of <option> lines from which the genres are to be extracted.
// This is probably a simple matter of checking the "Save in session variable"
// checkbox for the "BLOCK" extractor pattern token.
// Also, assuming this script is being run from the scrapeable file
// containing your extractor pattern, you can probably just use this&#58;
// "GENRE_PATTERN"
// as the name of the extractor pattern instead of this&#58;
// "AllFilms&#58;AllFilms-Genre&#58;GENRE_PATTERN"
GenreVar = scrapeableFile.extractData&#40; session.getVariable&#40; "BLOCK" &#41;, "AllFilms&#58;AllFilms-Genre&#58;GENRE_PATTERN" &#41;;

FileWriter out = null;

try
&#123;
  // Open up the file to be appended to.
  out = new FileWriter&#40; "dvds.txt", true &#41;;
       
        for&#40; i = 0; i < GenreVar.getNumDataRecords&#40;&#41;; i++ &#41;
        &#123;
          session.log&#40; "Writing a genre to a file." &#41;;

          genreDataRecord = GenreVar.getDataRecord&#40; i &#41;;

          // I'm not sure what you called them, but these "GENRE"
          // and "GENRE_ID" values should be the names of the extractor
          // pattern tokens in your "GENRE_PATTERN" extractor pattern.
          out.write&#40; dataRecord.get&#40; "GENRE" &#41; + "\t" &#41;;
          out.write&#40; dataRecord.get&#40; "GENRE_ID" &#41; &#41;;
          out.write&#40; "\n" &#41;;
        &#125;

  // Close up the file.
  out.close&#40;&#41;;
&#125;
catch&#40; Exception e &#41;
&#123;
  session.log&#40; "An error occurred while writing the data to a file&#58; " + e.getMessage&#40;&#41; &#41;;
&#125;