Thank you for your help. I have one further question, out of curiosity. Earlier I try to import a CBZ which contained other CBZ files (like a CBC, but without comics.txt), and Calibre apparently imported it. However, when I opened it into the interface, it was empty.
Based on what I read, a simple comics.txt with a list of the CBZ files would allow to import it correctly, so I was wondering why not implementing a simple recursion which looks for the CBZ files by itself, without relying on a txt list? I was tempted to do it as a proof of concept (just to see if it would work), but I don't know how to write a plugin. If it works, the same logic could be applied to CBZ containing folders. What do you think?
