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:
\([A-Z]*[a-z]\,[1-2][0-9][0-9][0-9]\)
(Schultz, 2000) and (White, 1989)
Code:
\([A-Z]*[a-z]\,[1-2][0-9][0-9][0-9]\) and \(, [A-Z]*[a-z]\,[1-2][0-9][0-9][0-9]\)
(Sutter, 1987; Reid and Shapley, 1992)
Code:
\([A-Z]*[a-z]\, [1-2][0-9][0-9][0-9]\; [A-Z]*[a-z] and [A-Z]*[a-z]\, [1-2][0-9][0-9][0-9]\)
(Enroth-Cugell and Robson, 1966)
Code:
\([A-Z]*[a-z]\-[A-Z]*[a-z] and [A-Z]*[a-z]\, [1-2][0-9][0-9][0-9]\
(Barlow, 1961, 1989; Atick and Redlich, 1990; Atick, 1992)
PHP Code:
\([A-Z]*[a-z]\, [1-2][0-9][0-9][0-9]\, [1-2][0-9][0-9][0-9]\; [A-Z]*[a-z] and [A-Z]*[a-z]\, [1-2][0-9][0-9][0-9]\; [A-Z]*[a-z]\, [1-2][0-9][0-9][0-9]\)
(Dong and Atick, 1995a)
Code:
\([A-Z]*[a-z] and [A-Z]*[a-z]\, [1-2][0-9][0-9][0-9][a-z)\)
Thank you for taking the time to read this. Please let me know if you have any ideas.
And if you are using pdftotext to produce unicode and preserve accented characters it is best to use [[:upper:]] instead of [A-Z] and [[:lower:]] instead of [a-z] , [[:alpha:]] etc.
Last edited by Scrutinizer; 11-09-2012 at 05:13 AM..
This would yield all lines from your sample above but suppress many other text lines. If it's too open, try narrowing it down by becoming more specific, e.g. on the year numbers:
Code:
$ grep -E "([A-Za-z]+, [0-9]{4})" file
(Daviis, 2004)
(Schultz, 2000) and (White, 1989)
(Sutter, 1987; Reid and Shapley, 1992)
(Enroth-Cugell and Robson, 1966)
(Barlow, 1961, 1989; Atick and Redlich, 1990; Atick, 1992)
(Dong and Atick, 1995a)
And, yes, as Scrutinizer proposes, you may want to use the [[:upper:]] and [[:lower:]] classes.
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