unlang & expr

[Alan DeKok]

On May 18, 2018, at 7:20 AM, <petr.linke at seznam.cz> <petr.linke at seznam.cz> wrote:
> I need do some arithmetic operation in the soh-server, so I tried use the 
> expr module.
> 
> example:
> server soh-server {
> ...
>     update control {
>          &Tmp-Integer-1 := %{expr: 1 + 2 + 3}
>     }
> 
> But from syntax checker I received error message: "Syntax error: Expected 
> comma after '%{expr:': 1 + 2 + 3}"
> 
> Is possible use expr in this case?

  Yes.

  The %{...} syntax is for *string* expansions.  So you need to do use strings:

&Tmp-Integer-1 := "%{expr: 1 + 2 + 3}"