new_contents: #!/usr/bin/env python
  
  """
  Kill a process by name.
  """
  
  import os
  import sys
  import psutil
  
  def main():
      if len(sys.argv) != 2:
          sys.exit('usage: %s name' % __file__)
      else:
          NAME = sys.argv[1]
  
      killed = []
      for proc in psutil.process_iter():
          if proc.name == NAME and proc.pid != os.getpid():
              proc.kill()
              killed.append(proc.pid)
      if not killed:
          sys.exit('%s: no process found' % NAME)
      else:
          sys.exit(0)
  
  sys.exit(main())
  
subject: add killall.py example script