.htaccess deny access to all but one file

[Beverleyh]

I have an .htaccess file in a subfolder of my site.

Currently its contents are set to "deny from all" but I want to access one known .txt file directly from that subfolder while continuing to block the rest.

Please could somebody advise how to just allow access to this one file?

Also, can the path to this one file in the .htaccess file be relative?

Thanks in advance.

[Beverleyh]

Never mind - I sussed it;

     Order Deny,Allow 
     Deny from All 
 
<Files "view_only_this_file.txt"> 
     Order Deny,Allow 
     Allow from All 
</Files>