text: import sys
  def readfile(filename):
      '''Print a file to the standard output.'''
      f=file(filename)
      while True:
          line=f.readline()
          if len(line)==0:
              break
          print line,
      f.close()
  if len(sys.argv)<2:
      print 'No action specified.'
      sys.exit()
      
  if sys.argv[1].startswith('--'):
      option=sys.argv[1][2:]
      if option=='version':
          print 'Version 1.2'
      elif option=='help':
          print '''\
  This program prints files to the standard output.
  Any number of files can be specified.
  Options include:
    --version : Prints the version number
    --help    : Display this help'''
      else:
          print 'Unknown option.'
      sys.exit()
  else:
      for filename in sys.argv[1:]:
          readfile(filename)
  