Kyle Yoneda

import hou
import os

# Get the currently selected USD_RENDER_ROP
selected_node = hou.selectedNodes()[0]

# Get the directory path from the selected USD_RENDER_ROP's 'Save To Directory' parameter
dir_path = selected_node.parm('savetodirectory_directory').eval()

# Create the cleanup.py script in the directory path
cleanup_file_path = os.path.join(dir_path, 'cleanup.py')
cleanup_script = 'import os\nfor file in os.listdir("{}"):\n\tif file != "cleanup.py":\n\t\tpath = os.path.join("{}", file)\n\t\tos.remove(path)\n'.format(dir_path, dir_path)
with open(cleanup_file_path, 'w') as cleanup_file:
    cleanup_file.write(cleanup_script)

# Save the directory path to a text file in the same directory
path_file_path = os.path.join(dir_path, 'path.txt')
with open(path_file_path, 'w') as path_file:
    path_file.write(dir_path)