learnyounode exercises completed

Author: codingmeow

Diff for: babySteps.js

@@ -0,0 +1,8 @@
+function sum(array){
+  var total = 0;
+  for (var i=2; i<array.length; i++){
+    total += Number(array[i]);
+  }
+  return total;
+}
+console.log(sum(process.argv));

Diff for: helloWorld.js

@@ -0,0 +1 @@
+console.log("HELLO WORLD");

Diff for: myFirstI_O.js

@@ -0,0 +1,6 @@
+var fs = require('fs');
+var fileName = process.argv[2];
+var fileContents = fs.readFileSync(fileName);
+var fileText = fileContents.toString();
+var numLines = (fileText.split('\n').length)-1;
+console.log(numLines);