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

[Brian West]

---------- Forwarded message ----------
From: Avi Marcus <avi at avimarcus.net>
Date: Tue, Nov 11, 2014 at 7:31 AM
Subject: Re: [Freeswitch-users] what can I have in ${} construction
To: FreeSWITCH Users Help <freeswitch-users at lists.freeswitch.org>


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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*Brian West*
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