CGI: how to get referer header?

[nihilo]

Skip Montanaro wrote:
>     Skip> They should be available in the environment as HTTP_USER_AGENT and
>     Skip> HTTP_REFERER.  Take a look at
> 
>     >> Thanks for the help. I tried using HTTP_USER_AGENT and HTTP_REFERER,
>     >> but I get similar results, a tuple containing an empty dictionary.
> 
> Sorry, I should have given a specific example.  Try this:
> 
>     import os
> 
>     print "Referer:", os.environ.get("HTTP_REFERER", "<not present>")
>     print "User Agent:", os.environ.get("HTTP_USER_AGENT", "<unknown>")
> 
> Skip
> 

This works great. Thanks so much for the help ;-)

nihilo