I've got a an old website that I've taken over. New users essentially get a custom page created for them. It was done in a less than fantastic manner. Currently it actually generates a file named for the slug URL created and symbolically links it to a folder called "/main/". Obviously I want to change this. My plan was simply to have it redirect non-existant folders to "/main/" via .htaccess. Currently this is what my .htaccess looks like:

RewriteEngine on
RewriteCon开发者_如何学Pythond $1 !^(index\.php|images|robots\.txt|index\.htm)
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^(.*)$ /main/ [L]

However this generates a redirect loop. What am I missing?

Edit

On that note, I realized I should say I want it to maintain the path that's input. For example if I put http://www.mydomain.com/test_person it should maintain that address, but forward everything to the main folder if that makes sense.

You'll want your rule to not rewrite URLs already beginning with main in order to not have it loop, eg:

RewriteEngine on
RewriteCond %{REQUEST_FILENAME} !^main/
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME} !-f
RewriteRule ^[^/]+/(.*)$ /main/$1 [L]

[L] doesn't really mean what you would think [L] should mean in the context of a .htaccess file.

You should be able to get the original url requested from the REQUEST_URI environment variable, but a common thing to do is to pass the slug to the target as a GET variable.

RewriteRule ^([^/]+)/(.*)$ /main/$2?user=$1 [QSA,L]

Or pass everything to a single script which interprets the URL and finds the correct content to return:

RewriteRule ^([^/]+)/(.*)$ /main/index.php?user=$1&path=$2 [QSA,L]