DCIMify

dcimify.py

#!/usr/bin/python 
 
import os 
 
INDEX = 0 
 
def get_filename(): 
    global INDEX 
    name = 'DSC_%04d.JPG' % INDEX 
    INDEX += 1 
    return name 
 
def main(): 
    for filename in os.listdir('.'): 
        if filename.endswith('.jpg'): 
            os.rename(filename, get_filename()) 

if __name__ == '__main__':
    main()