[root@mail squirrelmail-1.4.8]# diff --ignore-all-space -qr . /var/www/squirrelmail/ | grep "Files \./plugins" | sort Files ./plugins/administrator/auth.php and /var/www/squirrelmail/plugins/administrator/auth.php differ Files ./plugins/administrator/options.php and /var/www/squirrelmail/plugins/administrator/options.php differ Files ./plugins/filters/filters.php and /var/www/squirrelmail/plugins/filters/filters.php differ Files ./plugins/filters/setup.php and /var/www/squirrelmail/plugins/filters/setup.php differ Files ./plugins/message_details/message_details_bottom.php and /var/www/squirrelmail/plugins/message_details/message_details_bottom.php differ Files ./plugins/squirrelspell/sqspell_interface.php and /var/www/squirrelmail/plugins/squirrelspell/sqspell_interface.php differ Files ./plugins/squirrelspell/sqspell_options.php and /var/www/squirrelmail/plugins/squirrelspell/sqspell_options.php differ