[Ackis]

Originally Posted by eschwartz

You can use

calibredb add

to add books to calibre's library.

I had tried that already actually. If it's a net new book that will work, but if it's a conversion of an existing book format it didn't work. There's an option to add a book format with the calibredb program, however you need to know the ID of the book, which you only can get via the list command.