Quote:
Originally Posted by JoeD
Someone correct me if I'm wrong, but I think Calibre saves metadata in a local DB and has an option to also write metadata to a sidecar file? The books themselves won't be updated unless you do a format conversion as you say.
If you save to disk or send to device though, Calibre will update the metadata during that process for the newly created file.
The idea is, that you don't ever copy books directly into/out of the Calibre book/library directory. So the fact that metadata is only updated in a separate DB until you export/send to device/email/etc. shouldn't cause a problem.
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There is a per book backup of the calibre(DB) metadata saved alongside the Book (and cover) : metadata.opf
You can get at this quickly: select Book: Tap 'O'
Remember: Change Nothing you see (makeing a copy is OK), you are looking beneath the skirts.