Project Folders
Teacher Resources
Student Resources
How Do I?
Site Map
Our Team

MWForum Message [Date Index] [Threads] [Authors] [Attachments] [Subscribe]

[Thread Prev] [Thread Next]

To: "MicroWorlds Forum" <mwforum@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>
Subject: Re: checking if there are turtles in the page
From: "Daniel Ajoy" <da.ajoy@xxxxxxxxx>
Date: Sun, 15 Aug 2010 19:15:55 -0500

On Sun, 15 Aug 2010 08:37:26 -0500, zehava wizman <zehavawi1@xxxxxxxxx> wrote:

> Hello forum!
> I want to use the instruction " everyone [remove who]"  in startup. The 
> problem is that when no turtle found, there is an error message:"No turtle 
> found for everyone in startup".
> I search for an instruction that will check if there is any turtle ' remove 
> it' if not - do nothing!
> How could I do it?

if not empty? get "page1 "turtles [everyone [remove who]]

OpenWorld Learning

  • Previous by thread: Re: checking if there are turtles in the page
  • Next by thread: melodies I found

  • To save an attachment to your computer, PC users should right-click (Mac users, click and hold the mouse button) on the link and then choose 'save target as' from the pop-up menu. A window will then pop up in which you can choose a location for the file.

    © copyright 2001 - 2008