<commit_before>require 'tabula'
module SSNRedaction

  def self.extract_text(filename, pages)
    extractor = Tabula::Extraction::ObjectExtractor.new(filename, pages)



  end

end<commit_msg>read pdf<commit_after>require 'tabula'
module SSNRedaction

  def self.get_matching_chunks(filename, page, pattern)
    extractor = Tabula::Extraction::ObjectExtractor.new(filename, [page])
    filtered = []
    extractor.extract.inject([]) do |memo, pdf_page|
      memo += Tabula::TextElement.merge_words(pdf_page.get_text).select do |chunk|
        chunk.text =~ pattern
      end
    end
  end
end
{'fraction_non_alphanumeric': 0.10961214165261383, 'fraction_numerical': 0.0, 'mean_word_length': 4.5, 'pattern_counts': {'":': 0, '<': 3, '<?xml version=': 0, '>': 3, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '2628574', 'n_tokens_mistral': 198, 'n_tokens_neox': 190, 'n_words': 38}