- http://superuser.com/questions/56272/is-the-pdftotext-command-line-tool-for-mac
- http://www.howtogeek.com/228531/how-to-convert-a-pdf-file-to-editable-text-using-the-command-line-in-linux/
- https://tomafro.net/2010/01/tip-relative-paths-with-file-expand-path
- http://stackoverflow.com/a/9311926/670433
- http://www.nokogiri.org/tutorials/parsing_an_html_xml_document.html
- https://github.com/OpenSaltLake/utah-court-calendar-service/blob/f9db995e758b6475455e0ff5b042388c3d5d906f/app/workers/court_extraction_process.rb
- http://www.nokogiri.org/tutorials/searching_a_xml_html_document.html
- http://stackoverflow.com/a/15774415/670433