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I have got directories full of research papers. I would like to scan the files for keywords in the titles, the author lists, etc.

Does a tool for that purpose exist?

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    Do you mean info in metadata (PDF "Author"/"Subject"/"Title" tags, PS "Creator"/"Title") or in the content? – Stéphane Chazelas Aug 10 '14 at 11:11
  • Searching for patterns can be made using REGEX and grep. You may want to have a look at the pdftotext utility as well. – John WH Smith Aug 10 '14 at 13:15
  • @StéphaneChazelas: Whatever is used in downloadable articles (on arxiv or by publishers) – shuhalo Aug 13 '14 at 16:08

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