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

[Anthony Minessale]

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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-- 
Anthony Minessale II

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