Kotlin Programming Cookbook

How to do it…

In the following steps, we will learn how to make use of the InputReader class to read the text line by line:

1. Let's start with attaching the InputStream to the file and going line by line on the contents, like this:

import java.io.Fileimport java.io.InputStreamfun main(args: Array<String>) {    val listOfLines = mutableListOf<String>()    val inputStream: InputStream =  File("example2.txt").inputStream()    inputStream.reader().useLines { lines -> lines.forEach { listOfLines.add(it)} }    listOfLines.forEach{println("* " + it)}}

2. Each line is appended with * in this case. Here's how the output looks:

* A panoramic view of Lower Manhattan as seen at dusk from Jersey City, New Jersey, in November 2014. Manhattan is the most densely populated ...