Questions about perl_set

[evms]

Is there any way possible I can use perl_set within a Location
directive?


        perl_set $test_transformation 'sub {
                my $r = shift;
                $result = list_rewrite::handler($r, "/test.asp");
                return $result;
        };';

I have this within the HTTP directive.

Will it be run each time a request comes in or only when
$test_transformation is referenced?

Tanks,
Evan

Posted at Nginx Forum: http://forum.nginx.org/read.php?2,120409,120409#msg-120409