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greetings. excellent idea.
is there some reason why you decided not to try to extract isbn from the
metadata? in particular, i have hundreds of books where the document title is or
contains the isbn, e.g.
3642283675-2013-05-30-23-07
0312624123
0398087423.PsychBobbyFischer
0195143787.pdf
9812560432 981238930XMachine
in some cases, attempting an extract from the text fails. in any case, it takes a very long time compared with a simple extract from the title or from a tag.
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