Greping summaries of acidemic citations

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http://www.unix.com – Hello friends, I’m trying to grep out sentences. The sentences are previous to an academic citations in a pdf. The goal is to get summaries of citable work. Her is what I tried reading the MAN page. Code: pdftotext foo.pdf | grep -A 5 ***chose reg expression below*** pdftotext BioPsych10.pdf | grep -A 5 \([A-Z]*[a-z]\,[1-2][0-9][0-9][0-9]\) It pauses, but doesn't produce anything. Also it would be nice if I could stop printing at the start of the desired sentence, instead of 5 lines. These are the regular expressions I will use. (Daviis, 2004) Code: \([A-Z (HowTos)