code: def encode(precision, with_z):
      
      logger = logging.getLogger('geobuf')
      stdin = click.get_text_stream('stdin')
      sink = click.get_binary_stream('stdout')
      try:
          data = json.load(stdin)
          pbf = geobuf.encode(
              data,
              precision if precision >= 0 else 6,
              3 if with_z else 2)
          sink.write(pbf)
          sys.exit(0)
      except Exception:
          logger.exception("Failed. Exception caught")
          sys.exit(1)
docs: Given GeoJSON on stdin, writes a geobuf file to stdout.