Quote:
Originally Posted by Sirtel
Hmmm... I would copy all the books from separate libraries to one temporary library and then compare them there. Possibly I would tag them before copying (like, books from the library "old kindle" get the tag "old kindle"). So I can tell which library they originally were from. Copying via Calibre GUI retains all the metadata.
Of course this solution might not suit you.
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This
1st set Preferences: adding Books: (adding Actions tab)
(Tick) Auto merge: Create New record for each duplicate FORMAT (A Mobi and EPUB will merge. 2 EPUB willnot)
The select a group of books in 1 : right click: Copy to Library: <Destination>
(I prefer small batches. YMMV )
If fields are different, Calibre offers to create
Then use the Find Duplicates PI along with the viewer to choose which to delete