[kjdavies]

Originally Posted by BetterRed

Please read the following and the links therein ==>> Want to change folder structure or file names in the Calibre library?

In essence the structure of the library subfolders is based on Author [first] and Title and the actual names of the folders and files are algorithmically determined.

BR

I believe OP is asking how to parse the information and create folders in metadata, not change the storage location.