[asterisk-users] Check if a variable is set

[ABBAS SHAKEEL]

Please try this
xten => s,2,ExecIf( 0EXISTS(${ARG3})=1 & 0${ARG3}=1|

On Fri, Oct 16, 2009 at 3:45 PM, Ishfaq Malik <ish at pack-net.co.uk> wrote:

> I'm basically trying to make an argument optional in a macro, I'm
> starting to think it's not possible
>
> If I do this in my macro
> exten => s,2,ExecIf(EXISTS(${ARG3})=1 & ${ARG3}=1|<whatever I want to do>
>
> I see this in the console
> Executing [s at macro-extcall:2] ExecIf("SIP/PACK501-08222428", "EXISTS()=1
> & =1|<whatever I want to do>
>
> As I didn't pass a third argument.
>
> Essentially, what I'm trying to do in php terms would be this
> if(isset($var) && $var==1)
>
> Ish
>
> ABBAS SHAKEEL wrote:
> > Sorry its macro I called it a function.
> >
> > This link will be helpful to you
> > http://www.voip-info.org/wiki/index.php?page=Asterisk+variables
> >
> >
> > On Fri, Oct 16, 2009 at 3:13 PM, ABBAS SHAKEEL
> > <shakeel.abbas.qau at gmail.com <mailto:shakeel.abbas.qau at gmail.com>>
> wrote:
> >
> >     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
> >     <mailto: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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> >
> >         AstriCon 2009 - October 13 - 15 Phoenix, Arizona
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> >
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> >
> >
> >
> >
> >     --
> >     Best Regards
> >     Shakeel Abbas
> >
> >
> >
> >
> > --
> > Best Regards
> > Shakeel Abbas
> >
> > ------------------------------------------------------------------------
> >
> > _______________________________________________
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> >
> > AstriCon 2009 - October 13 - 15 Phoenix, Arizona
> > Register Now: http://www.astricon.net
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>
> --
> Ishfaq Malik
> Software Developer
> PackNet Ltd
>
> Office:   0161 660 3062
>
> _______________________________________________
> -- Bandwidth and Colocation Provided by http://www.api-digital.com --
>
> AstriCon 2009 - October 13 - 15 Phoenix, Arizona
> Register Now: http://www.astricon.net
>
> asterisk-users mailing list
> To UNSUBSCRIBE or update options visit:
>   http://lists.digium.com/mailman/listinfo/asterisk-users
>



-- 
Best Regards
Shakeel Abbas
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