RosettaCodeData/Task/Text-processing-Max-licenses-in-use/Scala/text-processing-max-licenses-in-use-4.scala
2018-08-17 15:15:24 +01:00

26 lines
920 B
Scala

object License3 extends App {
type resultTuple = (Int /*max*/, Int /*count*/, List[String] /*dates*/ )
val src = io.Source.fromURL("https://raw.githubusercontent.com/def-/nim-unsorted/master/mlijobs.txt")
val (max, count, dates): resultTuple =
src.getLines().foldLeft(Int.MinValue, 0, Nil: List[String]) {
case ((max: Int, count: Int, dates: List[String]), line: String)
if line.startsWith("License OUT ") =>
def date = line.split(" ")(3)
if (count + 1 > max) (count + 1, count + 1, List(date))
else if (count + 1 == max) (max, max, dates :+ date)
else (max, count + 1, dates)
case (resultPart: resultTuple, line: String)
if line.startsWith("License IN ") =>
resultPart.copy(_2 = resultPart._2 - 1)
case (resultPart, _) => resultPart
}
println("Max licenses out: " + max)
println("At time(s): " + dates.mkString(", "))
}