text: import processor
  import os
  import sys
  import traceback
  
  try:
      datadir = os.environ.get('KBC_DATADIR') or '/data/'
      processor.run(datadir)
  except ValueError as err:
      print(err, file=sys.stderr)
      sys.exit(1)
  except Exception as err:
      print(err, file=sys.stderr)
      traceback.print_exc(file=sys.stderr)
      sys.exit(2)
  