Data commit

Task/CSV-data-manipulation/Kotlin/csv-data-manipulation.kotlin

@@ -0,0 +1,14 @@
+// version 1.1.3
+
+import java.io.File
+
+fun main(args: Array<String>) {
+    val lines = File("example.csv").readLines().toMutableList()
+    lines[0] += ",SUM"
+    for (i in 1 until lines.size) {
+        lines[i] += "," + lines[i].split(',').sumBy { it.toInt() }
+    }
+    val text = lines.joinToString("\n")
+    File("example2.csv").writeText(text)  // write to new file
+    println(text)  // print to console
+}