//
// program to combine input file(s) given as command-line arguments,
// producing a single output file (with name supplied from stdin)
//
import scala.io.StdIn._

println("name of output file?")
val outFileName = readLine
val outWriter = new java.io.PrintWriter(new java.io.File(outFileName))

// process input files
args.foreach(fileName => {
  println("input file " + fileName)
  val src = scala.io.Source.fromFile(fileName)
  src.getLines.foreach(outWriter.println(_))
  src.close
})

outWriter.close()
println()
println("output in " + outFileName)