import scala.io.Source
object LongLines {
    def processFile(filename: String, width: Int ) {
	val source = Source.fromFile(filename)
	for (line <- source.getLines)
	    processLine(filename, width, line)
    }
    private def processLine(filename: String, width: Int, line: String) {
	if (line.length > width)
	    println(filename + ": "+ line.trim)
    }
}

object FindLongLines {
    def main(args: Array[String]) {
	val width = args(0).toInt
	for (arg <- args.drop(1))
		LongLines.processFile(arg, width)
    }
}