Package org.apache.commons.cli

Examples of org.apache.commons.cli.CommandLineParser.printUsage()

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  @Override
  public int run(String[] args) throws Exception {
    CommandLineParser cli = new CommandLineParser();
    if (args.length == 0) {
      cli.printUsage();
      return 1;
    }
    cli.addOption("input", false, "input path to the maps", "path");
    cli.addOption("output", false, "output path from the reduces", "path");
   
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      runJob(job);
      return 0;
    } catch (ParseException pe) {
      LOG.info("Error : " + pe);
      cli.printUsage();
      return 1;
    }
   
  }
 
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