#!/usr/bin/env python

 # python startup file

 import sys

 import readline

 import rlcompleter

 import atexit

 import os

 # tab completion

 readline.parse_and_bind('tab: complete')

 # history file

 histfile = os.path.join(os.environ['HOME'], '.pythonhistory')

 try:

     readline.read_history_file(histfile)

 except IOError:

     pass

 atexit.register(readline.write_history_file, histfile)

 del os, histfile, readline, rlcompleter

 #for Linux