Magic Header control and fix extension
Your Files 15351, 1532.1, 151.aasdsa, ASDAFAFE etc.
Recognizes Auto_extension_fixer magic header and fix them 15351.mp4, 1532.png, 151.jpg
Install . pip install python-magic. Drop the dlls in C:\Windows\System32 and python magic will import correctly.
Usage: auto_extension_fixer.py c:\path\magic.mgc c:\destination_folder