[Freeswitch-users] empty var expression

[Madovsky]

no js nor lua,
I just set a var from db select/bla/bla
in the dialplan


----- Original Message ----- 
From: "Brian West" <brian at freeswitch.org>
To: "FreeSWITCH Users Help" <freeswitch-users at lists.freeswitch.org>
Sent: Monday, January 17, 2011 7:46 PM
Subject: Re: [Freeswitch-users] empty var expression


> be careful... you shouldn't have anything if the variable doesn't exist 
> but are you using lua or js?
>
> /b
>
> On Jan 17, 2011, at 6:21 PM, Michael Collins wrote:
>
>> Where is this variable getting or losing the "undef" value? Also, add 
>> this line to info and see what gets printed:
>>
>> <action application="log" data="WARNING $var contains '${var}'"/>
>>
>> That will print it out in purple letters to make it easier to see. FWIW, 
>> I tried this with various permutations of 'undefined' channel vars and 
>> expression="^$" always worked for me.
>>
>> -MC
>
>
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