[Asterisk-Dev] ast_expr changes

[Tilghman Lesher]

On Monday 03 May 2004 06:26, Tais M. Hansen wrote:
> On Monday 03 May 2004 13:16, fabian at gigacodes.de wrote:
> > You can get rid of this error message by using the foo trick
> > (described in the wiki)
> > Quote:
> > 	You can test for an empty value, but instead of using "" you'd
> > do this:
> > 	   GotoIf($[foo${CALLERIDNUM} = foo]?3:2)
> > But i don't know how long this is like that. I always had these
> > msg's.
>
> I've never had these errors and it effectively breaks my dialplans.
> Rolling back the lastest change to ast_expr.y makes it work again.

Another option is to use the ${LEN()} syntax:

GotoIf($[${LEN(${CALLERIDNUM})} = 0]?3:2)

which is certainly less of a hack and should work with either
version of ast_expr.

-- 
Tilghman