So, the base folder '2' had some subfolders called 122ND300, 123ND300, 124ND300, 125ND300.
Yes, a classical folder layout from a good old Nikon D300.
In order to get rid of the Nikon subfolders I went to the '2' folder and in the Folders Tree I did right-click -> "Show all files (recursive)".
After all files where displayed I pressed Ctrl+A (select all) and I dragged them with Shift (in order to force a Move) in the '2' folder.
Neat isn't it?

No, it isn't (yet).

Because besides of having all the files in the '2' folder and the four other folders empty (which is quite ok), the program created recursively other subfolders inside of directory structure:
Ok, I will delete the garbage by hand, but check this out. Any problem in on-disk management routines is pretty scary. We value a lot our files.
