new_contents: from __future__ import print_function
  
  import getpass
  import json
  import os
  import subprocess
  import time
  
  history = open(".josh_history", "a")
  
  # Default Config
  prompt = getpass.getuser() + " $ "
  notFoundErr = "*** Command not found."
  
  
  # Custom Config
  if os.path.isfile(".joshrc"):
      joshrc = open(".joshrc")
      rc = json.load(joshrc)
  
      # Set Prompt
      if rc["prompt"]:
        prompt = \
          rc["prompt"].replace(
              "$NAME", getpass.getuser()
          ).replace(
              "$24HOUR", time.strftime("%H")
          ).replace(
              "$12HOUR", time.strftime("%I")
          ).replace(
              "$MINUTE", time.strftime("%M")
          ).replace(
              "$SECOND", time.strftime("%S")
          )
  
  while True:
      command = raw_input(prompt)
      if command == "exit":
          break
      elif command.replace(" ","") != "":
          try:
              subprocess.call(command.split(" "))
          except Exception:
              print(notFoundErr)
  
      history.write(command)
  
subject: Create josh.py