word count: scala

wc.scala

//read in
val text = scala.io.Source.fromFile("lorem.txt").mkString

val wc = text.
           toLowerCase.
           split("\\W+").
           groupBy(identity).
           mapValues( _.length )

//writeout
wc.foreach( kv => printf("%d %s\n", kv._2, kv._1 ) )