Challenge #137 [Easy] String Transposition (http://redd.it/1m1jam)

StringTransposition.scala

package dailyprogrammer

import scala.io.Source

object StringTransposition extends App {
    val words = Source.fromFile("D:/file.txt").getLines.toList.tail
    val longestWord = words.maxBy(_.size)
    val wordsTransposed = words.map(_.padTo(longestWord.size, ' ').toList).transpose

    println(wordsTransposed.map(_.mkString).mkString("\n"))
}