Thanks Gerard !! This is working.
On Tue, Feb 3, 2015 at 6:44 PM, Gerard Maas <gerard.m...@gmail.com> wrote: > this is more of a scala question, so probably next time you'd like to > address a Scala forum eg. http://stackoverflow.com/questions/tagged/scala > > val optArrStr:Option[Array[String]] = ??? > optArrStr.map(arr => arr.mkString(",")).getOrElse("") // empty string or > whatever default value you have for this. > > kr, Gerard. > > On Tue, Feb 3, 2015 at 2:09 PM, kundan kumar <iitr.kun...@gmail.com> > wrote: > >> I have a RDD which is of type >> >> org.apache.spark.rdd.RDD[(String, (Array[String], Option[Array[String]]))] >> >> I want to write it as a csv file. >> >> Please suggest how this can be done. >> >> myrdd.map(line => (line._1 + "," + line._2._1.mkString(",") + "," + >> line._2._2.mkString(','))).saveAsTextFile("hdfs://...") >> >> Doing mkString on line._2._1 works but does not work for the Option type. >> >> Please suggest how this can be done. >> >> >> Thanks >> Kundan >> >> >> >
