import os,sys

def rmbackups(directory):
    def rm(filepath):
        print filepath, '...',
        os.remove(filepath)
        print 'deleted'
    for (dirpath,dirs,files) in os.walk(directory):
        backups = filter(lambda path: path.endswith('~'), \
                          [os.path.join(dirpath,name) 
                           for name 
                           in files])
        map(rm, backups)

def main(args=None):
    if args is None:
        args = sys.argv[1:] or [os.getcwd()]
    map(rmbackups,args)

if __name__ == '__main__':
    main()