according to core cookbook: ~ : bitwise NOT however, looks like it has no effect. i have $var(test) = ~2; xlog("L_INFO", "test is <$var(test)>\n"); and i get to syslog: May 17 18:10:40 sip /usr/sbin/sip-proxy[29280]: INFO: test is <2> have i misunderstood the operator or is there a bug? -- juha