Data commit

Task/Take-notes-on-the-command-line/Kotlin/take-notes-on-the-command-line.kotlin

@@ -0,0 +1,20 @@
+// version 1.2.10
+
+import java.io.File
+import java.util.Date
+import java.text.SimpleDateFormat
+
+fun main(args: Array<String>) {
+    val f = File("NOTES.TXT")
+    // create file if it doesn't exist already
+    f.createNewFile()
+    if (args.size == 0) {
+        println(f.readText())
+    }
+    else {
+        val df = SimpleDateFormat("yyyy/MM/dd HH:mm:ss")
+        val dt = df.format(Date())
+        val notes = "$dt\n\t${args.joinToString(" ")}\n"
+        f.appendText(notes)
+    }
+}