Scala program to print all properties of a hadoop config

Config.scala

import org.apache.hadoop.conf.Configured
import org.apache.hadoop.util.Tool
import org.apache.hadoop.util.ToolRunner
import scala.collection.JavaConversions._

object Config extends Configured with Tool {
  def run(args: Array[String]) : Int = {
    getConf.map(x => (x.getKey, x.getValue)).toList.sorted.foreach(println)
    return 0
  }
  
  def main(args: Array[String]) { ToolRunner.run(Config, args) }
}

Shell script to run this

CLASS=$1

software/scala-2.10.4/bin/scalac
-cp $(/usr/lib/hadoop2/bin/hadoop classpath)
$CLASS.scala &&
jar cf $CLASS.jar *.class &&
~/src/spark-2/bin/spark-submit --class $CLASS $CLASS.jar