Quote:
Originally Posted by BenG
I seem to remember years ago on the Usenet e-book groups someone wrote software that could tell if two files were actually the same file or from a different source. I'm not sure if he kept a database or not.
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There are many programs that can compare files by content to see if they're identical. If you mean comparing with some kind of database, I'd be happy to find that program and learn if the database was systematically expanded with new ebooks showing up around the Net.