code: public HadoopJarStepConfig newScriptRunnerStep(String script, String... args) {
          List<String> argsList = new ArrayList<String>();
          argsList.add(script);
          for (String arg : args) {
              argsList.add(arg);
          }
          return new HadoopJarStepConfig()
              .withJar("s3://" + bucket + "/libs/script-runner/script-runner.jar")
              .withArgs(argsList);
      }
docs: Runs a specified script on the master node of your cluster.
  
  @param script
  The script to run.
  @param args
  Arguments that get passed to the script.
  @return HadoopJarStepConfig that can be passed to your job flow.