[asterisk-users] parsing issue

[Eric Wieling]

Or even Hangup(-${Z})

-----Original Message-----
From: asterisk-users-bounces at lists.digium.com [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Barry Miller
Sent: Wednesday, May 02, 2012 2:11 PM
To: asterisk-users at lists.digium.com
Subject: Re: [asterisk-users] parsing issue

On Wed, May 02, 2012 at 01:48:04PM -0400, CDR wrote:
> I get an error when I execute this code exten => 
> rejected,n,Hangup($[-1*${Z}])
> 
> May  2 13:42:09] WARNING[23128]: ast_expr2.fl:468 ast_yyerror:
> ast_yyerror():  syntax error: syntax error, unexpected $end, expecting 
> '-' or '!' or '(' or '<token>'; Input:
> -1*
> 
> The variable "Z" has a  negative number, which is the code that I need 
> to use in the hangup.
> Any idea how can I do this? There is no ABS() function in Asterisk. I 
> already filed a request for it but it turns up that it will cost me 
> money. How can I remove the sign from a number?

If you're sure Z is non-null and negative, then
  exten => rejected,n,Hangup($[-(${Z})])

--
Barry

--
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