Quote:
Originally Posted by canpolat
Yes, I was cloning a CSV into an empty library. I don't really have any evidence about Import List being stuck (Calibre was unresponsive for an hour or so before I killed it), but I think I don't really get the way Calibre handles this situation. Now that you explain it, I understand all the folders are necessary even though she will be only working on metadata which is stored in the DB file. That basically tells me, perhaps Calibre is not the tool we are looking for. Or, more precisely, we probably need a tool that can work on the calibre DB file without needing to create all those empty folders (seeing the book covers would be nice, but the toll is too high).
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The toll on what?
I just copied 100 hundred books out of one library to an empty one. Each book had 2-4 format files (ePUB, DOCX, PDF etc) the library was 84MB, after removing all the format files it was 5MB - so about 5KB per book, most of which is jpegs which don't compress much. So, I removed the 100 cover.jpg files, the folder was now 1.2MB - which compressed down to 300KB
So again, a toll on what?
None of my 'unexpressed reasons' for recommending you send a book-less library are 'obligatory'.
So yes, your friend could work from a library that started off with only the metadata.db. But as she updates the database, the author and book folders will be created; calibre needs them as the place to write its recovery data - i.e. the metadata.opf file you see in every book folder - which is obligatory. So she will be working with a database that is only partially recoverable.
BR