Hi

Hmmm... firstly, check your Runtime.exec() code.  If it's right, that's a 
shame.

Secondly, there's two ways to clear a screen.

        1)  Output 25 lines of blank lines.
        
                Downside: You end up with cursor at bottom of screen.
                
        2)  Output the ANSI Escape codes for clear screen.
        
                Downside: DOS must support ANSI.
                
                
        It might look something like:
        
                System.out.print("\033[2J");
                
Nicholas


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> Subject: cls
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> 
> ok.. I was to clear the commandline screen (in windows) after my GUI pops
> up...
> I tried:
>   public void clearScreen()
>   {
>     try
>     {
>       if (System.getProperty("os.name").toLowerCase().startsWith("win"))
>       {
>         Runtime.getRuntime().exec("cls\n\r");
>       }
>     }
>     catch (IOException e)
>     {
>     System.out.println("error:" +e.toString());
>     }
>     System.out.println("end clearScrean");
>   }
> 
> 
> but it didn't work...
> any ideas?
> thanks 
> rev aaron

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Nicholas Wright    Imperial Software Technology    Senior Software Engineer 
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