1. remove some text on file name of all files: e.g. “TVBOXNOW ”
2. move up one level of files in each directory, e.g. c:\folder1\folder2\file3 to c:\folder1\file3
3. Remove files by extension for all subdirectories: e.g. .url / .nfo
4. see unique file extension in all subdirectories
5. file name format: xxxx.2013.zzzz, …