From: Brian Candler <b.candler@...>
Date: 2010-09-04T05:00:08+09:00
Subject: Re: Read cookie

P奪l Bergstr旦m wrote:
> It's rails. I used CGI but doesn't seem to work anymore. I just want to 
> get a value of a cookie with a ruby script in /lib. What about net/http?

It's not clear what you want now.

Are you writing a web *client* in Ruby - something which initiates a 
connection to a web server, and sends a HTTP request? (Like a browser)

Or a web *server* - something which listens for incoming HTTP requests, 
and answers them?

net/http is something you'd use for the former, and rails is something 
you'd use for the latter.

The cookie interaction is described at:
http://en.wikipedia.org/wiki/HTTP_cookie
Roughly:
* The server includes a "Set-Cookie:" header in a response
* The client includes a "Cookie:" header in each subsequent request to 
the same server

When you say you want to "get the value of a browser cookie" it sounds 
like you're writing something server-side, to extract the cookies sent 
by the browser. But if you're writing a client using net/http or 
mechanize, then it's you who *sends* the cookies with each request in 
the first place.
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