Error in external

Trevor DeVore lists at
Mon Feb 12 11:28:07 EST 2007

On Feb 12, 2007, at 6:05 AM, John Craig wrote:

> I wrote a small external a while back after Mark Waddington's  
> newsletter article.  The external seems to work fine most of the  
> time, but every once in a while throws an error.
> The variable watcher tells me that the temp vars that were set  
> prior to calling the external function have mysteriously emptied.   
> Has anyone else experienced anything similar with externals?

Hi John,

I haven't seen anything like this myself.  Is there any code you can  

Trevor DeVore
Blue Mango Learning Systems -
trevor at

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