[SR-Users] how to string concatination

[Grant Bagdasarian]

I've already tried that. It can't parse the config file:

Not starting Kamailio: invalid configuration file!
-e
 0(3558) : <core> [cfg.y:3408]: yyerror_at(): parse error in config file /etc/kamailio/kamailio.cfg, line 267, column 32-39: syntax error
 0(3558) : <core> [cfg.y:3408]: yyerror_at(): parse error in config file /etc/kamailio/kamailio.cfg, line 267, column 32-39: '('')' expected (function call)
 0(3558) : <core> [cfg.y:3408]: yyerror_at(): parse error in config file /etc/kamailio/kamailio.cfg, line 267, column 32-39: bad command
 0(3558) : <core> [cfg.y:3411]: yyerror_at(): parse error in config file /etc/kamailio/kamailio.cfg, line 267, column 40: bad command
 0(3558) : <core> [cfg.y:3408]: yyerror_at(): parse error in config file /etc/kamailio/kamailio.cfg, line 271, column 32-39: syntax error
 0(3558) : <core> [cfg.y:3408]: yyerror_at(): parse error in config file /etc/kamailio/kamailio.cfg, line 271, column 32-39: '('')' expected (function call)
 0(3558) : <core> [cfg.y:3408]: yyerror_at(): parse error in config file /etc/kamailio/kamailio.cfg, line 271, column 32-39: bad command
 0(3558) : <core> [cfg.y:3411]: yyerror_at(): parse error in config file /etc/kamailio/kamailio.cfg, line 271, column 40: bad command
 0(3558) : <core> [cfg.y:3408]: yyerror_at(): parse error in config file /etc/kamailio/kamailio.cfg, line 275, column 3-20:
ERROR: bad config file (9 errors)

-----Original Message-----
From: sr-users-bounces at lists.sip-router.org [mailto:sr-users-bounces at lists.sip-router.org] On Behalf Of Juha Heinanen
Sent: Tuesday, December 10, 2013 11:19 AM
To: Kamailio (SER) - Users Mailing List
Subject: [SR-Users] how to string concatination

Grant Bagdasarian writes:

> How do I concatenate a string to an avp variable?
> 
> $avp(s:caller) = $fU;
> if($(avp(s:caller){s.substr,0,2}) != "00") {
>        $avp(s:caller) = "00$avp(s:caller)"; }

try "00" + avp(s:caller)

-- juha

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