rrename.py

import os
import sys
from dirsearch import DirSearch

# Global variables
PREFIX = ''


#
#   Print the basic help to the screen
#
def print_help():
    print
    print 'Recursive Prefix Rename Command (Windows):'
    print '-------------------------------'
    print 'Automates the adding of a prefix to all filenames'
    print
    print
    print 'Syntax:'
    print '-------------------------------'
    print 'rrename.py [dir] [prefix]'
    print
    print

#
#   Called each time the DirSearch files a new file
#
def search_callback(item):
    filename = os.path.basename(item)
    if filename.find(PREFIX) != 0:
        new_name = os.path.join(os.path.dirname(item), '%s%s' % (PREFIX, filename))
        os.rename(item, new_name)


#
#   Script entry point
#
if __name__ == '__main__':

    # Make sure at least 2 arguments besides script name was given
    if len(sys.argv) < 3 :
        print_help()
    else:
        if '-help' or '/help' in sys.argv:
            print_help()
        else:
            PREFIX = sys.argv[2]

            d = DirSearch(sys.argv[1], show_output=True)
            d.search(search_callback)