ScalaWriteFilePrintWriter.scala

import java.io.{FileWriter, PrintWriter}
import scala.io.Source

val fileLines = Source.fromFile("/data/bullflag.txt").getLines()
for ((line, n) <- fileLines zipWithIndex) {
  val lineNumber = n+1
  val fileName = s"line-$lineNumber.txt"
  val filePath = s"/data/$fileName"
  val fileWriter = new PrintWriter(new FileWriter(filePath))
  fileWriter.write(line)
  fileWriter.close()
  Thread.sleep(20000)

}