iteration

dig.lua

@@ -18,6 +18,12 @@ rednet.send(receiverID, data)
 while true do
     id, msg = rednet.receive()
     if id == receiverID then
+        if msg == nil then
+            print("Hostname not found!")
+            break
+        else
             io.write(msg .. "\n")
+            break
+        end
     end
 end

lns_server.lua

@@ -48,7 +48,7 @@ while true do
 
         -- check if hostname in data
         if request.hostname == nil then
-            rednet.send(client_id, "not found")
+            rednet.send(client_id, nil)
         else
             rednet.send(client_id, data[request.hostname])
         end