How to remove extension and force trailing slash with .htaccess?

WordPress Plugin Development: How can I avoid the trailing slash to be added with RewriteRule?

• <IfModule mod_rewrite.c> RewriteEngine On RewriteRule \Qmytext.txt\E\?? index.php [L,QSA] </IfModule> If I add this rule to a regular php directory, the url, http://.../mytext.txt will load the index.php. However, if I add this rule to a directry that WordPress resides, the url gets changed to http://.../mytext.txt/  which has a trailing slash. Is there a way to avoid the slash to be added at the end?

• Answer:

  Okay, found it. In wp-includes/canonical.php, in #430, wp_redirect($redirect_url, 301); This was the one causing the trailing slash. I found this by reading the Apache access log and it had an odd item that says 301 with mytext.txt at the end which indicates the page is redirected. Several lines before the above line of wp_redirect(), there is, $redirect_url = apply_filters('redirect_canonical', $redirect_url, $requested_url); With the filter, assigining false to $redirect_url works when the $redirect_url contains the subject url to modify.