Previously, I had made the files “hidden” by using a windows machine to access the batocera machine’s hard drive over a network.
It dawned on me that maybe linux handles hidden files in a different way so I tried using PCManFM on the batocera machine to hide the files.
However, when I navigate to the file, right click, and go to file properties, the the “ [ ] Hidden File ” is greyed out.
Another dead end.