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Old 03-09-2021, 10:06 PM   #2
jhowell
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Join Date: Nov 2011
Location: Charlottesville, VA
Device: Kindles
Quote:
Originally Posted by xxyzz View Post
Does anyone know what sidecarRevision, bookRevision and sidecarFormat from metadata table(https://github.com/xxyzz/WordDumb/bl...layerenasinkll) are used for? And how to get these values for a certain book?
I don't know about the others, but bookRevision looks like the number that is changed each time a book is revised. it is called "Unique-ID" in the MobileRead wiki documentation of the MOBI header.

Quote:
Originally Posted by xxyzz View Post
I find out how to get acr for mobi and azw3 books but don't know where to find it in kfx books.
The acr field corresponds to the "asset_id" contained in KFX book metadata. It is basically a unique file name assigned to the main file of the book in the KFX format.

One way to obtain this is to use the KFX Input calibre plugin in CLI mode. The console output from that will contain a string in the form "asset_id=CR!9PSZZDRCQX6DQDZPFDT3G8FMCE39," giving you the value.
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