Hi Gerald and thank you for your reply. Now I get 255 when the exit code should be 0. I'm afraid I don't understand the bit shifting fully so I'm not sure what to do next.
I also get 255 if it's unsucessful. i'm using tar to extract some files, and tar returns 0 upon sucess and 2 on failure. On Sat, Jul 16, 2005 at 10:16:00PM +0200, Gerald Richter wrote: > > > > Sometimes I see strange numbers when handling exit status > > from system calls. > > > > my $out = `$cmd`; > > my $stat = $? >> 8; > > > > and $stat may contain anumber like 16777215 at this point, > > whereas on commandline it would be more like 2, or no error > > at all (0). > > > > Looks like that the number get sign extented, try > > my $stat = ($? >> 8) & 0xff ; > > Gerald > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
