old_contents: # from sys module import a member called 'argv'
  from sys import argv
  #unpack
  # test 3
  script, filename = argv
  fp = open(filename)
  print "Reading file %r " % fp
  print fp.read()
  fp.close()
  
new_contents: # from sys module import a member called 'argv'
  from sys import argv
  #unpack
  # test 3
  script, filename = argv
  fp = open(filename)
  print "Reading file %r " % fp
  print fp.read()
  fp.close()
  
  # gui stream test
  
subject: test stream linking #17