IsAstack ( )

[Robert Brenstein]

>On 02/07/07, Brian Yennie 
><<mailto:briany at qldlearning.com>briany at qldlearning.com> wrote:
>
>
>>Reading from a file should be perfectly safe even if it is in use -
>>writing is the dangerous one.
>
>
>True - but I see no advantage over using the built in exists() 
>function and removing the stack from memory afterwards - it is not 
>subject to file format changes, detects if a stack is corrupt and I 
>doubt is any slower?
>

Unless it is a really big stack and/or has lots of substacks.