Display progress of work

progress.py

#!/usr/bin/env python

import sys
import time

if __name__ == '__main__':
    N = 100
    for i in range(N):
        time.sleep(1)
        # http://en.wikipedia.org/wiki/ANSI_escape_code
        print '\033[2K\033[0G%d/%d'%(i + 1, N), # ESC[u means restore current positon then ESC[K erase to the end
        sys.stdout.flush()
    print '\ndone'