@args = ("command", "arg1", "arg2");
                system(@args);

                if ($? == -1) {
                    print "failed to execute: $!\n";
                }
                elsif ($? & 127) {
                    printf "child died with signal %d, %s coredump\n",
                        ($? & 127),  ($? & 128) ? 'with' : 'without';
                }
                else {
                    printf "child exited with value %d\n", $? >> 8;
                }