batch-rename.exe substring [new_string] [-h] [-n] [-r]

positional arguments:
   substring   Substring to strip or replace out of every file in path.
   new_string  String to replace for every matching substring. Defaults to an empty string.

optional arguments:
   -h, --help  show this help message and exit.
   -n          Rename all files to substring and number them accordingly.
   -r          Batch rename recursively in subdirectories.