Update the client & server to Return a JSON

client.js

@@ -1,13 +1,17 @@
-var coap  = require('coap');
+var coap = require('coap');
 var requestURI = 'coap://localhost/';
 var name = 'World';
 var url = require('url').parse(requestURI + name);
 var req = coap.request(url);
-
-coap.registerFormat('application/json', 50);
+var bl = require('bl');
 
 req.on('response', function(res) {
-    res.pipe(process.stdout);
+	res.pipe(bl(function(err, data) {
+		var json = JSON.parse(data);
+		console.log(json);
+		process.exit(0);
+	}));
+
 });
 
 req.end();

server/server.js

@@ -28,17 +28,15 @@ function start_server() {
 
     server.on('request', function(req, res) {
         if (req.headers['GET'] !== 0) {
-            res.end('GET ' + req.url.split('/')[1] + '\n');
+            res.setOption('Content-Format', 'application/json');
+
+            res.end(JSON.stringify({
+                hello: req.url.split('/')[1]
+            }));
             res.code = '4.06';
         } else {
             res.end('Hello ' + req.url.split('/')[1] + '\n');
-        };
-
-        res.setOption('Content-Format', 'application/json');
-
-        res.end(JSON.stringify({
-            hello: "world"
-        }));
+        }
     });
 
     server.listen(function() {