Data commit

Task/Text-processing-2/Kotlin/text-processing-2.kotlin

@@ -0,0 +1,42 @@
+// version 1.2.31
+
+import java.io.File
+
+fun main(args: Array<String>) {
+    val rx = Regex("""\s+""")
+    val file = File("readings.txt")
+    var count = 0
+    var invalid = 0
+    var allGood = 0
+    var map = mutableMapOf<String, Int>()
+    file.forEachLine { line ->
+        count++
+        val fields = line.split(rx)
+        val date = fields[0]
+        if (fields.size == 49) {
+            if (map.containsKey(date))
+                map[date] = map[date]!! + 1
+            else
+                map.put(date, 1)
+            var good = 0
+            for (i in 2 until fields.size step 2) {
+                if (fields[i].toInt() >= 1) {
+                    good++
+                }
+            }
+            if (good == 24) allGood++
+        }
+        else invalid++
+    }
+
+    println("File = ${file.name}")
+    println("\nDuplicated dates:")
+    for ((k,v) in map) {
+        if (v > 1) println("  $k ($v times)")
+    }
+    println("\nTotal number of records   : $count")
+    var percent = invalid.toDouble() / count * 100.0
+    println("Number of invalid records : $invalid (${"%5.2f".format(percent)}%)")
+    percent = allGood.toDouble() / count * 100.0
+    println("Number which are all good : $allGood (${"%5.2f".format(percent)}%)")
+}