>>>>How do you detect if a memory variable exists without causing a program to stop?
>>>
>>>Use vartype(myVar)<>'U'
>>>
>>>Or use type('MyVar') <> 'U' for more complex cases.
>>
>>type('MyVar') <> 'U' wouldn't work if you have a field with the same name :-)
>
>Good point, though I updated my reply a bit while you were replying. But you didn't give me time to correct a typo in the word existence :)
>
>Anyway, the best way to check would be
>
>type('m.MyVar') <> 'U'
>
>or vartype(m.MyVar) <> 'U'
>
>to make sure we're talking about variables and not field names.
HE! That is how we
vultures work :-)
Against Stupidity the Gods themselves Contend in Vain - Johann Christoph Friedrich von Schiller
The only thing normal about database guys is their tables.