text: #!/usr/bin/env python3
  
  import os
  import sys
  
  
  def main(argv):
      if len(argv) > 2:
          cmd = argv[2]
          if 'renewing' != cmd:
              f1 = open(argv[1], 'a+')
              f1.write(f'{argv}\n')
              if 'MD_VERSION' in os.environ:
                  f1.write(f'MD_VERSION={os.environ["MD_VERSION"]}\n')
              if 'MD_STORE' in os.environ:
                  f1.write(f'MD_STORE={os.environ["MD_STORE"]}\n')
              f1.close()
          sys.stderr.write("done, all fine.\n")
          sys.exit(0)
      else:
          sys.stderr.write(f"{argv[0]} without arguments")
          sys.exit(7)
      
  
  if __name__ == "__main__":
      main(sys.argv)
  