my ($retval) = xsystem ($cmd_line, %args);
return 'ok' if $retval eq 'ok';
return "Timed out after $args{TIMEOUT} seconds" if $retval eq 'timeout';
my ($retval) = xsystem ($cmd_line, %args);
return 'ok' if $retval eq 'ok';
return "Timed out after $args{TIMEOUT} seconds" if $retval eq 'timeout';