I have 7.197 books in my calibre library with unknown author. In fact, the author is in the metadata because when I press the button "information" in basic metadatas, the author appears. So on, I can press 7.197 times the information button, but I don't want to die doing that for the rest of my life, or pay to one of my sons to do it. Is there any solution for this? I know I can modify massively the covers in "change covers" from the files
Is there any way to change the basic metadata massively as I can do with the covers? My knowledge about python is absolutely first grade or less. But I can copy&paste
. Any plugin?
Many thanks