If you want to check in Console then NOOP can be used .if in case of
function call you can check its length if there exists some thing
On Fri, Oct 16, 2009 at 3:04 PM, Ishfaq Malik <ish at pack-net.co.uk>
wrote:
> Hi
>
> Is there any way to check if a variable is set in asterisk? I've had a
> look around and can't find a purpose built function for it.
>
> I'm going to be using it to see if an argument has been passed with a
> macro or not (e.g. see if ${ARG3} is set or not)
>
> Thanks in advance
>
> Ish
> --
> Ishfaq Malik
> Software Developer
> PackNet Ltd
>
> Office: 0161 660 3062
>
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Best Regards
Shakeel Abbas
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