iteration

packages/dig.lua

@@ -5,4 +5,9 @@ if args[1] == nil then
     return
 end
 
-io.write(lns.lookup(args[1]) .. "\n")
+result = lns.lookup(args[1])
+if result == nil then
+    io.write("Not found!\n")
+else
+    io.write(result .. "\n")
+end