Scala 20news Wordcount
Scala 20news Wordcountを忘れないようにメモ.
val src_path = "/home/kzk/datasets/news20/news20.dat" val s = Source.fromFile(src_path); var map = scala.collection.mutable.Map[String, Long]() for (l <- s.getLines) { val sl = l.split(" ") for (i <- Range(1, sl.length)) { val k = sl(i).split(":")(0) if (map.contains(k)) {map(k)} += 1 else {map(k) = 0} } } println map.take(10)