The Kindle DRM wasn't hacked to REMOVE the DRM from Kindle purchases, but added to other books so that they too could be read on the Kindle.
Non-DRM Mobi books, like free e-books found online in Mobi format, or files you convert to Mobi files, are already supported on Kindle.
Hack let you convert encrypted Mobipocket files that were intended for another reader so that that work on Kindle.
The Kindle supports Mobipocket files directly. You don't need to write a script to do that.
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