On Fri 29 Feb 2008, J. Peng wrote:
> On Fri, Feb 29, 2008 at 7:03 PM, Torsten Foertsch
> wrote:
> > Example continued: The entry /var/www/a/b exists on disk either as file
> > or as directory but /var/www/a/b/c does not. Then after MapToStorage
> > $r->filename is /var/www/a/b and $r->path_info is /c/d/e.

> Sorry I can't understand for this. If /var/www/a/b exists but
> /var/www/a/b/c not, why user requests it? What's $r->path_info? How to
> get path_info from filename? thanks again.

Well, then RTFM (http://en.wikipedia.org/wiki/RTFM).

Google for CGI and PATH_INFO.