Quote:
Originally Posted by tomsem
I’ve only ever used Kindle app to get things into calibre, and never paid much attention to the file extensions it uses, but they are all ‘.azw’ in this version. I take it these are ‘KFX’, though I don’t know how y’all have made that determination.
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You can determine whether or not a book is in KFX format in Kindle for PC/Mac by examining files in the content folder. Each book will be in a separate subfolder named by the ASIN of the book. Books in KFX format will have a DRM voucher file named something like "amzn1.drm-voucher.v1.f693cd65-a272-454d-967a-5c2073b6e605.voucher" in their folder.
Quote:
Originally Posted by tomsem
It seems easy enough to move/rename render-text when I want to import things to calibre. Could automate it with a script (calibre has a CLI right?).
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It takes a few steps to turn KFX support on or off. Basically you need to exit the Kindle for PC/Mac program, enable/disable render-test (using rename on PC or chmod on Mac), restart the program, delete any books you want to switch formats on, and then re-download those books.