text: import json
  import os
  import utils
  from exceptions import OptionError, RCFormatError
  import sys
  
  # Load the RC_PARAMS (if the user has a .clufrc file).
  try:
  	RC_PARAMS = json.loads(open(os.path.expanduser('~/.clufrc')).read())
  	utils.normalize_options(RC_PARAMS)
  except IOError:
  	RC_PARAMS = {}
  except ValueError as e:
  	raise RCFormatError(str(e))
  
  ## Validate the RC_PARAMS.  If there's an error, inform user it's in rc_file.
  try:
  	utils.validate_options(RC_PARAMS)
  except OptionError as e:
  	raise OptionError('.clufrc: %s' % str(e))
  
  