Purge and global variables

[Richard Gaskin]

Jan Schenkel wrote:

> You're right, the first time a global is delcared,
> it's empty. But a global isn't 'purged' along with the
> stack that created it -- mainly because you should be
> able to use it in other stacks as well.
> So this won't cause problems in a stand-alone, as the
> memory is released when the program is quit, and other
> programs normally can't read+write it anyway.
> But under the Development Environment, it's kept in
> memory until you 'delete' the global or quit RunRev
> alltogether.
> 
> If you want to reset it upon closing the stack, I
> suggest you trap the 'closeStack' message:
> 
> on closeStack
> global gThatAnnoyingGLobal
> delete global gThatAnnoyingGLobal
> end closeStack

Or if it's only used on one script you could use a script-local variable to
get the same effect.


-- 
 Richard Gaskin 
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