[asterisk-users] syntax error from digium fax manual ??

[Barry Miller]

On Mon, Apr 09, 2012 at 06:21:40PM -0400, sean darcy wrote:
> I've cut and pasted from the digium fax admin manual:
> 
> exten => send,1,NoOp(**** SENDING FAX ****)
> exten => send,n,Wait(6)
> exten => send,n,Set(GLOBAL(FAXCOUNT)=$[ ${GLOBAL(FAXCOUNT)} + 1 ])
> exten => send,n,Set(FAXCOUNT=${GLOBAL(FAXCOUNT)})
> 
>     -- Executing [send at sendPDFasFax:1] NoOp("DAHDI/4-1", "**** SENDING 
> FAX ****") in new stack
>     -- Executing [send at sendPDFasFax:2] Wait("DAHDI/4-1", "6") in new stack
>     -- Channel 4 detected a CED tone from the network.
> [Apr  9 15:29:02] WARNING[2912]: ast_expr2.fl:468 ast_yyerror: 
> ast_yyerror():  syntax error: syntax error, unexpected '+', expecting 
> $end; Input:
>   + 1
>   ^
> [Apr  9 15:29:02] WARNING[2912]: ast_expr2.fl:472 ast_yyerror: If you 
> have questions, please refer to 
> https://wiki.asterisk.org/wiki/display/AST/Channel+Variables
>     -- Executing [send at sendPDFasFax:3] Set("DAHDI/4-1", 
> "GLOBAL(FAXCOUNT)=") in new stack
>   == Setting global variable 'FAXCOUNT' to ''
> 
> The error seems to be saying that I need a closing "}" or "]", but it 
> looks like it has closing brackets.
> 
> Any suggestions?

This is exactly the error you'd get if FAXCOUNT is null or not set.
(Because then the expression would be the invalid '$[ + 1]'.)

-- 
Barry