[asterisk-users] Check if a variable is set

[Darrin Henshaw]

Mind posting the macro itself? I think we might need to store the
return value of isnull then test with execif.

On 16/10/2009, Ishfaq Malik <ish at pack-net.co.uk> wrote:
> That fails to execute in both conditions
>
> ABBAS SHAKEEL wrote:
>> 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
>> <mailto: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>
>>     <mailto: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>
>>     >     <mailto: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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>>     >
>>     >
>>     >
>>     >     --
>>     >     Best Regards
>>     >     Shakeel Abbas
>>     >
>>     >
>>     >
>>     >
>>     > --
>>     > Best Regards
>>     > Shakeel Abbas
>>     >
>>     >
>>
>> ------------------------------------------------------------------------
>>     >
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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
>>
>> ------------------------------------------------------------------------
>>
>> _______________________________________________
>> -- 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
>
> --
> 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
>

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