var result = 0; 
for (var i = 2; i < process.argv.length; i++) {
	result += Number(process.argv[i]);
};

console.log(result)
@@ -1,124 +1,198 @@
 var 
-result = 0; %0Afor (var i = 2; i %3C process.argv.length; i++) %7B%0A%09result += Number(process.argv%5Bi%5D);%0A%7D;%0A%0Aconsole.log(result)
+fs = require('fs');%0Avar filePath = process.argv%5B2%5D;%0Avar fileContents = fs.readFileSync(filePath).toString();%0A%0Avar numberOfLines = fileContents.split('%5Cn').length;%0Aconsole.log(numberOfLines-1);%0A%0A

Complete Lesson 2 - Read a file