[asterisk-dev] 1.6 - beta9: channelvariables.txt missing

[Tilghman Lesher]

On Friday 20 June 2008 10:55:47 sean darcy wrote:
> I'm trying to set CALLERID(num) if the calling number is less than 140.
> Thiat is, for all the internal extensions less  than 140, I want to set
> the main number as the callerid, but use DID for 140 and up.
>
> So I tried:
>
> exten =>_1NXXNXXXXXX,n,Set(CALLERID(num)=${IF( $[${CALLERID(num)} > 140]
> ? ${MAINSTUB}${CALLERID(num)} : ${MAINNUMBER} )})
>
> But I get this error:
>
>   [Jun 20 11:40:24] WARNING[7821]: ast_expr2.fl:398 ast_yyerror:
> ast_yyerror():  syntax error: syntax error, unexpected '>', expecting
>
> $end; Input:
>   > 140
>
>   ^
> [Jun 20 11:40:24] WARNING[7821]: ast_expr2.fl:402 ast_yyerror: If you
> have questions, please refer to doc/channelvariables.txt in the asterisk
> source.
>
> Now I think the problem is that CALLERID(num) is a character value that
> can't be compared to another value. But there's got to be some way to do
> this, so I looked for channelvariables.txt. It's not there.
>
> So any help on my specific problem would be appreciated. Or if I should
> RTFM, please point me to the FM.

The parser gave you the exact string that occurred after the variable
substitution, " > 140".  This means that CALLERID(num) was not a string, but
rather was blank (or unset).  You might have better luck doing:
$[0${CALLERID(num)} > 140], which should, in this case, evaluate to false.

-- 
Tilghman