.htaccess remove trailing slash in url except when folder

Question

I've got a basic URL rewrite that works well, except when navigating to folders:

When a user navigates to any folder mydomain.com/folder/he is redirected to mydomain.com/folder?pl1=css, causing an infinite redirect loop.

I've tried adding RewriteCond %{REQUEST_FILENAME}/ -d just above the rule that redirects pages to their versions without trailing slashes. This solves the infinite loop problem, but breaks the redirecting to the pages without trailing slashes (which I would like to keep for SEO reasons: http://googlewebmastercentral.blogspot.be/2010/04/to-slash-or-not-to-slash.html

My question:

How to handle folders correclty => show default page (/folder/index.html; if it exists) within the folder when navigating to mydomain.com/folderor mydomain.com/folder/(without appending variables to url)
For extra brownie points: how to optimize the second part of the rewrite, so as not to use 6 lines of code :-)

This is my code:

# Start the rewrite engine
<IfModule mod_rewrite.c>
  Options +FollowSymlinks
  Options -MultiViews
  RewriteEngine On
</IfModule>

# Remove trailing slash
RewriteRule ^(.*)/$ /$1 [L,R=301]
# Rule below fixes loop, but breaks redirection
# RewriteCond %{REQUEST_FILENAME}/ -d

# Handle my GET variables
RewriteRule ^([A-Za-z0-9-_]+)/?$                                                                                            index.php?pl1=$1                                        [L] 
RewriteRule ^([A-Za-z0-9-_]+)/([A-Za-z0-9-_]+)/?$                                                                           index.php?pl1=$1&pl2=$2                                 [L] 
RewriteRule ^([A-Za-z0-9-_]+)/([A-Za-z0-9-_]+)/([A-Za-z0-9-_]+)/?$                                                          index.php?pl1=$1&pl2=$2&pl3=$3                          [L] 
RewriteRule ^([A-Za-z0-9-_]+)/([A-Za-z0-9-_]+)/([A-Za-z0-9-_]+)/([A-Za-z0-9-_]+)/?$                                         index.php?pl1=$1&pl2=$2&pl3=$3&pl4=$4                   [L] 
RewriteRule ^([A-Za-z0-9-_]+)/([A-Za-z0-9-_]+)/([A-Za-z0-9-_]+)/([A-Za-z0-9-_]+)/([A-Za-z0-9-_]+)/?$                        index.php?pl1=$1&pl2=$2&pl3=$3&pl4=$4&pl5=$5            [L] 
RewriteRule ^([A-Za-z0-9-_]+)/([A-Za-z0-9-_]+)/([A-Za-z0-9-_]+)/([A-Za-z0-9-_]+)/([A-Za-z0-9-_]+)/([A-Za-z0-9-_]+)/?$       index.php?pl1=$1&pl2=$2&pl3=$3&pl4=$4&pl5=$5&pl6=$6     [L]

Felipe Alameda A · Accepted Answer · 2013-04-26 13:28:25Z

1

If this "...except when navigating to folders..." means to existing folders, you can try adding the next 3 lines before the comment # Remove trailing slash:

RewriteCond %{REQUEST_FILENAME} -f  [OR]
RewriteCond %{REQUEST_FILENAME} -d
RewriteRule .*   - [L]

It is possible to reduce the rules to a single one, as long as there is no problem having empty keys (pl6=). Like this:

# Handle my GET variables
RewriteCond %{REQUEST_URI}  !index\.php
RewriteRule ^([A-Za-z0-9-_]+)/?([A-Za-z0-9-_]+)?/?([A-Za-z0-9-_]+)?/?([A-Za-z0-9-_]+)?/?([A-Za-z0-9-_]+)?/?([A-Za-z0-9-_]+)?/?  index.php?pl1=$1&pl2=$2&pl3=$3&pl4=$4&pl5=$5&pl6=$6  [L,NC]

Makes all parameters optional, except the first one.

answered Apr 26, 2013 at 13:28

Felipe Alameda A

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5 Comments

chocolata Over a year ago

Thanks so muchfor your answer! If I implement the first part of your answer I get the desired effect, except that it redirects to ´/folder/?pl1=folder´. Any ideas? The second part of your answer does not seem to work, as it generates 404 errors in my system. Also, I do mind to have empty keys.

Felipe Alameda A Over a year ago

"Also, I do mind to have empty keys". Then, you need a rule for each parameter, as it is in your question.

Felipe Alameda A Over a year ago

"...redirects to ´/folder/?pl1=folder" I guess it is redirected by another rule that adds the query. You may try deleting RewriteCond %{REQUEST_FILENAME} -f [OR] in my answer so it doesn't look for files. But not sure of the result. Make sure the browser's cache is cleared before any test.

chocolata Over a year ago

The winner takes it all! You solved my question. Thank you for answering every aspect of my question in such a clear and useful fashion! Good call on clearing cache aswel.

chocolata Over a year ago

Sure did. I guess I will keep my uncool 6 lines of code for my variable rewrites though ;-)

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