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

[covici at ccs.covici.com]

Thanks much.

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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> >
> > 
> > 
> >
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> 
> 
> 
> -- 
> Anthony Minessale II
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> 
> 
> 
> 
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> 
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-- 
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