delete-courses.php

// ...    
    $done = 0;
    foreach ($courses as $course) {
        if ($options['skip-recycle-bin']) {
            // This is a hack, we pretend to be executed by the restore process
            // so that the recycle bin hook is skipped.
            $course->deletesource = 'restore';
        }
        if (!delete_course($course, false)) {
            throw new moodle_exception('cannotdeletecategorycourse', '', '', $course->shortname);
        }
        $done++;
        cli_write("\r".$done."/".$count." (".floor($done / $count * 100)."%) ");
    }
    cli_writeln("done!");
// ...