Hey, this is cool! I'd like to make a few suggestions:
1. Make searches case-insensitive (convert everything to lowercase)
2. Making the command line syntax something like
impfind <dir> <keywords> [-options]
would search through ALL fields would be better (you might optionally specify -a to specify search on authors only)
Also, ignore the sub-category and author-mid + last name -- they are never set correctly in any IMP book I have seen.
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