On Tue, 6 Nov 2001, Luciano Miguel Ferreira Rocha wrote: > > > > I was under the assumption that doing something similar to: > > > > my $returnval = $msg->send(); > > > > Would give a similar answer. > > > > I'll give the $? a shot though. I've noticed that from the shell, it > > always has a 0, and that would show up as false under perl... > > Well, on the shell and every other program, an exit status of 0 means > success, and a higher one means an error of some kind. > > Btw: /bin/false ; echo $? ==> 1 > /bin/true ; echo $? ==> 0 > > Also, the SIGCHLD is sent when a child exits, no matter if in error. > You should then check the $? for the reason of the exit and for the > return code, if exited normally. > > Regards, > Luciano Rocha >
I've done this now and am getting back a -1 in $?, despite the mail itself succeeding. How can I check the reason for an error code on $? ?