new_contents: 
  import sys
  
  # file location should be in the first arg
  filename = sys.argv[1]
  
  f = open(filename, "r")
  lines = f.readlines()
  f.close
  
  lastline = lines.pop() # remove last line
  
  # reopen the file in write mode
  f = open(filename, "w")
  
  for line in lines:
      f.write(line)
      
  f.close()
  
  print lastline.rstrip()
  
subject: Add text feed testing script, for when we don't want to be talking to test the rest of the project