September 2017 Update

Task/Assertions/AWK/assertions.awk

@@ -0,0 +1,21 @@
+BEGIN {
+	meaning = 6 * 7
+	assert(meaning == 42, "Integer mathematics failed")
+	assert(meaning == 42)
+	meaning = strtonum("42 also known as forty-two")
+	assert(meaning == 42, "Built-in function failed")
+	meaning = "42"
+	assert(meaning == 42, "Dynamic type conversion failed")
+	meaning = 6 * 9
+	assert(meaning == 42, "Ford Prefect's experiment failed")
+	print "That's all folks"
+	exit
+}
+
+# Errormsg is optional, displayed if assertion fails
+function assert(cond, errormsg){
+	if (!cond) {
+		if (errormsg != "") print errormsg
+		exit 1
+	}
+}