Renames spaces to underscore in current working directory

rename_stuff.py

import os, argparse

parser = argparse.ArgumentParser()
parser.add_argument("--dry-run", help="Just say what we would do", action="store_true")
settings = parser.parse_args()

for filename in os.listdir(os.getcwd()):
	if ' ' in filename:
		new_filename = filename.replace(' ', '_')
		if settings.dry_run:
			print(f'Rename `{filename}´ → `{new_filename}´')
		else:
			try:
				os.rename(filename, new_filename)
				print(f'Renamed `{filename}´ → `{new_filename}´')
			except Exception as e:
				print(f'Failed to rename `{filename}´ → `{new_filename}´ due to {e}')