ISBN processing using ruby. Includes functionality to calculate the checksum of an ISBN10 or ISBN13, verify an existing ISBN (correcting the check digit, if necessary), and pulling the cover image from Library Thing, Google Books, and/or Open Library.
Ruby
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get_cover.rb
isbn_checker.rb

README

This code facilitates ISBN parsing, checking, and generation. It is built with Ruby.

Refer to the LICENSE file for applicable licensing information.