[Freeswitch-users] what can I have in ${} construction

[Ítalo Rossi]

It should be included in
https://freeswitch.org/confluence/display/FREESWITCH/XML+Dialplan#XMLDialplan-Variables
, we are in the process of moving this page to the confluence.

There'll be a sprint next Friday (more information later) to migrate pages
from old wiki to confluence, this page will have special attention.

On Tue, Nov 11, 2014 at 10:31 AM, Avi Marcus <avi at avimarcus.net> wrote:

> Hi - where on confluence is this useful information documented? When
> searching, I couldn't find even find it on the wiki.
> -Avi
>
> On Thu, Dec 13, 2012 at 7:45 PM, Anthony Minessale <
> anthony.minessale at gmail.com> wrote:
>
>> It supports the substring with positive and negative vals so:
>>
>> ${foo:3:4} would start at char 3 in the string and eval to the next 4
>> chars
>> ${foo:-3:2} would start at the end and go back 3 chars then print the
>> next 2 chars
>>
>> If the var name is followed by a ( or a space, it will pass the values to
>> the FSAPI and expand the result inline.
>>
>> ${sofia_contact 1004}
>>
>> equiv of...
>>
>> ${sofia_contact(1004)}
>>
>>
>>
>>
>>
>>
>>
>> On Thu, Dec 13, 2012 at 8:53 AM, <covici at ccs.covici.com> wrote:
>>
>>> Hi.  I was experimenting with ${variable} and was wondering what could
>>> be in there before the }?  I can do a substring if I say variable:2, but
>>> I wonder what else you can do?  The bash manual has all kinds of things
>>> you can have, but how much of this will fs do?
>>>
>>> Thanks in advance for any suggestions.
>>>
>>> --
>>> Your life is like a penny.  You're going to lose it.  The question is:
>>> How do
>>> you spend it?
>>>
>>>          John Covici
>>>          covici at ccs.covici.com
>>>
>>
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-- 
Ítalo Rossi
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