curl-users
Re: Behavior of -D and -c options in curl
Date: Tue, 16 Jan 2007 09:06:19 -0800 (PST)
imran shaik <sk.imran_at_yahoo.com> wrote: Date: Tue, 16 Jan 2007 07:27:48 -0800 (PST)
From: imran shaik <sk.imran_at_yahoo.com>
Subject: Re: Behavior of -D and -c options in curl
To: the curl tool <curl-users_at_cool.haxx.se>
Daniel,
I think I got what I needed this time. Probably I didn't put up my words clearly.
>-D dumps the headers to the file as soon as they are received.
>> What is the behavior of -c when writing cookies?
>They are written to the file when the 'CURL' handle is closed, which is >at the
>end of all the redirects.
Thats fine. But when are they read and how are they read? If 3 cookies are dumped during 2 redirects, among which the first one is a session cookie that is needed for each redirection, then how do i read that?
Dont I need -b dumped_headers option there?How would I know how many redirects were made? How was this behaviour in older vesrsions of curl. I see that they were automatically read and parsed and sent from the dumped headers file. But now I need an explicit -b option if I am using -D. Is that true?
In such cases -c could be better rite? As it puts everything in memory for subsequent redirects?
thanks,
Imran
Daniel Stenberg <daniel_at_haxx.se> wrote: On Tue, 16 Jan 2007, imran shaik wrote:
> A small modification to my question:
> Does -D dumps cookies for each URL or at the end of handling all the URLs?
-D dumps the headers to the file as soon as they are received.
> What is the behavior of -c when writing cookies?
They are written to the file when the 'CURL' handle is closed, which is at the
end of all the redirects.
> curl -L -c "hello" http://foo.bar.com
>
> Suppose the above command follows 3 URLs seeing Location in header.
>
> I need a timeline status of the contents of "hello" file after each URL is
> followed.
Then -c won't be your friend.
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