Method main

java/tools/src/java/org/apache/orc/tools/PrintData.java:270–298

(Configuration conf, String[] args
                   )

  }

  static void main(Configuration conf, String[] args
                   ) throws ParseException {
    CommandLine cli = parseCommandLine(args);
    if (cli.hasOption('h') || cli.getArgs().length == 0) {
      printHelp();
      System.exit(1);
    } else {
      Optional<Integer> lines = Optional.empty();
      if(cli.hasOption("n")){
        lines = Optional.of( Integer.parseInt(cli.getOptionValue("n")));
      }

      List<String> badFiles = new ArrayList<>();
      for (String file : cli.getArgs()) {
        try {
          Path path = new Path(file);
          Reader reader = FileDump.getReader(path, conf, badFiles);
          if (reader == null) {
            continue;
          }
          printJsonData(System.out, reader, lines);
          System.out.println(FileDump.SEPARATOR);
        } catch (Exception e) {
          System.err.println("Unable to dump data for file: " + file);
          e.printStackTrace();
        }
      }
    }
  }
}