[OpenSIPS-Users] Anyway to count the numbers of entires in a AVP?
Bogdan-Andrei Iancu
bogdan at voice-system.ro
Mon Jun 21 16:00:19 CEST 2010
btw, we have full support for using json string (a more complex way of
packing information that a simple CSV) - see
http://www.opensips.org/html/docs/modules/1.6.x/json.html .
Also, if you do not want to deal with dynamic CSV tables, you can use
even now the select transformation to extract each field.
Regards,
Bogdan
Brett Nemeroff wrote:
> That'd be fantastic
> $avp(s:values) = "8,5,6,9,2,4,5";
> $var(value_count) = $(avp(s:values){s.csv.count(\,)});
> $var(value_third)=$(avp(s:values){s.csv.select(\,,3)});
> $avp(s:value_array) = $(avp(s:values){s.csv.split(\,)});
> # Makes:
> # $avp(s:value_array)[0]=8;
> # $avp(s:value_array)[1]=5;
> # ...
> $avp(s:new_values) = $(avp(s:value_array){s.csv.join(\,)});
> # Makes $avp(s:new_values) == $avp(s:values);
> ... you get the idea.. typical string -> array funcs
>
>
> push, pop, first, last, min, max, avg.. All of those functions would
> be really really really nice. Especially if they can handle floats. :D :D
> -Brett
>
> On Mon, Jun 21, 2010 at 8:40 AM, Bogdan-Andrei Iancu
> <bogdan at voice-system.ro <mailto:bogdan at voice-system.ro>> wrote:
>
> Ah, I see :) ....maybe we can make an new "csv" transformation....
>
> Regards,
> Bogdan
>
> Brett Nemeroff wrote:
> > Bogdan,
> > Brad's AVP is a single AVP with CSV. He'd like to count the
> elements
> > in the CSV.
> >
> > Some string array functions would be nice. :D
> > -Brett
> >
> >
> > On Mon, Jun 21, 2010 at 6:46 AM, Bogdan-Andrei Iancu
> > <bogdan at voice-system.ro <mailto:bogdan at voice-system.ro>
> <mailto:bogdan at voice-system.ro <mailto:bogdan at voice-system.ro>>>
> wrote:
> >
> > Hi Brad,
> >
> > I guess you are looking for the set_count() function:
> >
> >
> http://www.opensips.org/html/docs/modules/1.6.x/cfgutils.html#id228574
> >
> > Regards,
> > Bogdan
> >
> >
> > --
> > Bogdan-Andrei Iancu
> > OpenSIPS Bootcamp
> > 20 - 24 September 2010, Frankfurt, Germany
> > www.voice-system.ro <http://www.voice-system.ro>
> <http://www.voice-system.ro>
> >
> >
> >
> > Brad Bendy wrote:
> > > Brett,
> > >
> > > I figured as much, but I thought I would try anyways.
> > >
> > > I think adding the "count" to the front the string is
> going to be
> > > easiest method and use the select functions, much more
> simpler!
> > >
> > > Thanks for the advice.
> > >
> > > On Sat, 2010-06-19 at 20:41 -0500, Brett Nemeroff wrote:
> > >
> > >> Brad,
> > >> param.count is for URI parameters and can't be used for
> any old
> > >> format. If your string was in URI param format, I think it
> > would then
> > >> work:
> > >> http://www.opensips.org/Resources/DocsCoreTran16#toc36
> > >>
> > >>
> > >> I haven't used this transformation, but it appears you'd
> take the
> > >> params off a URI and then use the transformations on the
> params
> > >> themselves.
> > >>
> > >>
> > >> I think what I do to find out if I'm at the end is to use the
> > "select'
> > >> transformation and check the value of the return.
> > >>
> > >>
> > >> Alternatively, you *could* make the first element in your
> list the
> > >> number of values to expect. Not sure if that's even an option
> > in your
> > >> case..
> > >>
> > >>
> > >> -Brett
> > >>
> > >>
> > >>
> > >>
> > >> On Sat, Jun 19, 2010 at 8:34 PM, Brad Bendy
> > >> <brad.bendy at benganetworks.com
> <mailto:brad.bendy at benganetworks.com>
> > <mailto:brad.bendy at benganetworks.com
> <mailto:brad.bendy at benganetworks.com>>> wrote:
> > >> Hi list,
> > >>
> > >> Ive got a AVP that gets a value from a memcached
> store,
> > it's a
> > >> set of
> > >> integers separated by commas , ex: 4,34,1,10
> > >>
> > >> Is there a way to return the number of entries?
> In this
> > case
> > >> id like to
> > >> have a 4 returned.
> > >>
> > >> I cannot get {param.count} to work, but im not
> sure if it
> > >> works like
> > >> this or maybe im just not using is right.
> > >>
> > >> Thanks for any help or suggestions
> > >>
> > >>
> > >>
> > >>
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> --
> Bogdan-Andrei Iancu
> OpenSIPS Bootcamp
> 20 - 24 September 2010, Frankfurt, Germany
> www.voice-system.ro <http://www.voice-system.ro>
>
>
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--
Bogdan-Andrei Iancu
OpenSIPS Bootcamp
20 - 24 September 2010, Frankfurt, Germany
www.voice-system.ro
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