--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/bin/moduserprefs.sh	Thu Jan 04 15:52:31 2018 -0500
@@ -0,0 +1,82 @@
+#!/usr/bin/env php
+<?php
+/*
+ +-----------------------------------------------------------------------+
+ | bin/moduserprefs.sh                                                   |
+ |                                                                       |
+ | This file is part of the Roundcube Webmail client                     |
+ | Copyright (C) 2012, The Roundcube Dev Team                            |
+ |                                                                       |
+ | Licensed under the GNU General Public License version 3 or            |
+ | any later version with exceptions for skins & plugins.                |
+ | See the README file for a full license statement.                     |
+ |                                                                       |
+ | PURPOSE:                                                              |
+ |   Bulk-change settings stored in user preferences                     |
+ +-----------------------------------------------------------------------+
+ | Author: Thomas Bruederli <roundcube@gmail.com>                        |
+ +-----------------------------------------------------------------------+
+*/
+
+define('INSTALL_PATH', realpath(__DIR__ . '/..') . '/' );
+
+require_once INSTALL_PATH.'program/include/clisetup.php';
+
+function print_usage()
+{
+	print "Usage: moduserprefs.sh [--user=user-id] pref-name [pref-value|--delete]\n";
+	print "--user   User ID in local database\n";
+	print "--delete Unset the given preference\n";
+}
+
+
+// get arguments
+$args = rcube_utils::get_opt(array('u' => 'user', 'd' => 'delete'));
+
+if ($_SERVER['argv'][1] == 'help') {
+	print_usage();
+	exit;
+}
+else if (empty($args[0]) || (!isset($args[1]) && !$args['delete'])) {
+	print "Missing required parameters.\n";
+	print_usage();
+	exit;
+}
+
+$pref_name  = trim($args[0]);
+$pref_value = $args['delete'] ? null : trim($args[1]);
+
+// connect to DB
+$rcmail = rcube::get_instance();
+
+$db = $rcmail->get_dbh();
+$db->db_connect('w');
+
+if (!$db->is_connected() || $db->is_error())
+	die("No DB connection\n" . $db->is_error());
+
+$query = '1=1';
+
+if ($args['user'])
+	$query = '`user_id` = ' . intval($args['user']);
+
+// iterate over all users
+$sql_result = $db->query("SELECT * FROM " . $db->table_name('users', true) . " WHERE $query");
+while ($sql_result && ($sql_arr = $db->fetch_assoc($sql_result))) {
+	echo "Updating prefs for user " . $sql_arr['user_id'] . "...";
+
+	$user = new rcube_user($sql_arr['user_id'], $sql_arr);
+	$prefs = $old_prefs = $user->get_prefs();
+
+	$prefs[$pref_name] = $pref_value;
+
+	if ($prefs != $old_prefs) {
+		$user->save_prefs($prefs, true);
+		echo "saved.\n";
+	}
+	else {
+		echo "nothing changed.\n";
+	}
+}
+
+?>