Check if worker there is identity available

myworker.js

@@ -1,45 +1,45 @@
 // Execution example -> $node myworker.js "tcp://localhost:8060" "Worker1" "Ready" "Done" -v
 
 var zmq = require("zmq");
-var resp = zmq.socket("req");
+var req = zmq.socket("req");
+
+// Getting atributes from command line arguments
 var args = process.argv.slice(2);
 var backend_url = args[0] || "tcp://localhost:8060";
 var my_id = args[1] || "NONE";
 var disp_text = args[2] || "Ready";
 var reply_text = args[3] || "Done";
-
 var verbose = false;
 
 if(args[args.length - 1] == "-v"){
     verbose = true;
     args.pop();
 }
 
-resp.indentity = my_id;
-resp.connect(backend_url);
+if(my_id != "NONE")
+    req.identity = my_id;
+
+req.connect(backend_url);
+req.send(disp_text);
 
 if(verbose){
     console.log('Worker (%s) connected to "%s"', my_id, backend_url);
+    console.log('Worker (%s) has sent its first connection message: "%s"', my_id, disp_text);
 }
 
-resp.on("message", function(client, delimiter, msg){
-    if(verbose){
-        console.log('Worker (%s) has received request "%s" from client (%s)',
-            my_id, msg.toString(), client);
-    }
+req.on("message", function(client, delimiter, msg){
+    if(verbose)
+        console.log('Worker (%s) has received request ["%s"] from client (%s)', my_id, msg.toString(), client);
+
 	setTimeout(function(){
-		resp.send([client,'',reply_text]);
-		if(verbose){
+		req.send([client,'',reply_text]);
+		if(verbose)
 		    console.log('Worker (%s) has sent its reply "%s"', my_id, reply_text);
-        }
 	}, 1000);
 });
 
-resp.send(con_text);
 
-if(verbose){
-    console.log('Worker (%s) has sent its first connection message: "%s"', my_id, disp_text);
-}
+