Catch other non-zero exit codes from the drive program.

		return unless defined($drive_exit_code);

	}

    # If we got any other non-zero exit code, we have a problem.

    if ($drive_exit_code != 0) {

        dolog("That's bad 8-(\n");

        workflow_complete($RUNFOLDER);

        email_failure('Un-good exit code from the drive program', 'run',

                      $RUNFOLDER, "$RealBin/email-recipients.txt",

                      $LOGPATH, \$LOG, $RealBin, $RealScript);

    }

	# Find our samplesheet

	dolog("Drive running complete!  Checking for samplesheet.\n");