kotlin read file
// In a list of lines
fun readFileAsLinesUsingReadLines(fileName: String): List<String>
= File(fileName).readLines()
// As a sole string
fun readFileDirectlyAsText(fileName: String): String
= File(fileName).readText(Charsets.UTF_8)
// Line by line
fun readFileLineByLineUsingForEachLine(fileName: String)
= File(fileName).forEachLine { println(it) }