public static void parseBasicParams(CommandLine commandLine) throws ParseException {
    inputFile = checkRequiredArg(FILE_ARGS, FILE_NAME, commandLine);
    outputFile = commandLine.getOptionValue(OUT_ARGS);

    if (outputFile == null) {
      outputFile = "tmp_schema_file_sketch.txt";
    }
  }
create the commandline options.

@return object Options
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/tools/schema/PBTreeFileSketchTool.java