Program.cs

@@ -11,34 +11,29 @@ namespace SharpDNSResolver
     {
         static void Main(string[] args)
         {
-            if (args.Count() == 0)
+            try
             {
-                Console.WriteLine("You must provide at least one host!");
-                Console.WriteLine("Usage: <prog.exe> <host1> [<host2> host<n>]");
-                Environment.Exit(1);
-            }
+                if(args.Count() == 0)
+                {
+                    Console.WriteLine("You must provide an host!");
+                    Environment.Exit(1);
+                }
+                string hostname = args[0];
+                IPHostEntry hostEntry = Dns.GetHostEntry(hostname);
 
-            int cpt = 0;
-            string hostname;
-            IPHostEntry hostEntry;
-            for (cpt = 0; cpt < args.Length; cpt++)
+                Console.WriteLine($"Host : {hostEntry.HostName}");
+
+                Console.WriteLine("Ip address:");
+                foreach (IPAddress ipAddress in hostEntry.AddressList)
+                {
+                    Console.WriteLine($"  {ipAddress}");
+                }
+            }
+            catch (System.Net.Sockets.SocketException ex)
             {
-                try
-                {
-                    hostname = args[cpt];
-                    hostEntry = Dns.GetHostEntry(hostname);
-                    Console.WriteLine($"\nHost : {hostEntry.HostName}");
-                    Console.WriteLine("Ip address:");
-                    foreach (IPAddress ipAddress in hostEntry.AddressList)
-                    {
-                        Console.WriteLine($"  {ipAddress}");
-                    }
-                }
-                catch (System.Net.Sockets.SocketException ex)
-                {
-                    Console.WriteLine($"Error : {ex.Message}");
-                }
+                Console.WriteLine($"Error : {ex.Message}");
             }
         }
     }
+    
 }