new_contents: #! /usr/bin/env python
  
  import sys, os, subprocess
  
  if __name__ == "__main__":
      import environment, code
      print "\033[33;5;7m \nUse terminal() to drop into a system console\n \033[0m"
      def terminal():
          os.system(os.environ.get("COMSPEC") or os.environ.get("SHELL") or "/bin/sh")
      code.interact(local=locals())
  
subject: add a script to set environment and then drop into an interactive shell. fix #59 [skip ci]