Thread: Internal Calibre Book ID displayed in Custom Column
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Old 05-18-2015, 11:17 PM   #13
kovidgoyal
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Quote:
Originally Posted by chaley View Post
It is worth noting that books will also get a new UUID (unique ID) when copied, so anything that checks the UUID will consider the original and the copy to be different.
IIRC if you do a copy and delete, the UUID is preserved.
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