Python Housekeeping Utilities

python-housekeeping-utilities.py

import os

# For every file in the current directory, replace '.js' in the filename with an empty 
# string if the file is not a directory 
[os.rename(f, f.replace('.js', '')) for f in os.listdir('.') if not os.path.isdir(f)]

# For every file in every subdirectory of the target directory (targetDir), replace '.js' in the filename
# with an empty string if the file is not a directory
def renameDoubleBarrelledCoffeeScriptsIn(targetDir):
	for root, subdirs, files in os.walk(targetDir):
		os.chdir(root)
		[os.rename(f, f.replace('.js', '')) for f in os.listdir('.') if not os.path.isdir(f)]

# Starting in the current directory, rename all double barrelled CoffeeScript script files
renameDoubleBarrelledCoffeeScriptsIn(os.getcwd())

Generalise this function for batch renaming of files by providing a pattern as a parameter.