#For the person who has everything, including a folder full of badly name files!
enable shebang! by executing 'chmod u+x removeSpaces.py' in your shell.
now type ./renameFiles.py PATH/TO/DIRECTORY STRING-TO-BE-REPLACED(optional) REPLACER(optional)
* replaces spaces with _'s by default if optional arguments are not supplied
BAM!!! WHAT??? Your files are renamed
Note: Your folder name should definitely not have spaces in it either if you want this script to work