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Re: LWP::UserAgent and Cookies

by athomason (Curate)
on Dec 12, 2001 at 02:06 UTC ( #131069=note: print w/replies, xml ) Need Help??

in reply to LWP::UserAgent and Cookies

Sure, just set up a cookie jar using HTTP::Cookies:
use strict; use LWP::UserAgent; use HTTP::Cookies; use HTTP::Request::Common; my $cookie_jar = HTTP::Cookies->new( ); my $ua = LWP::UserAgent->new; $ua->cookie_jar( $cookie_jar ); my $request = GET ""; # don't worry, it does +n't get saved :-) my $response = $ua->request( $request ); $cookie_jar->extract_cookies( $response ); print $cookie_jar->as_string;
Subsequent requests using the same user agent will send those cookies to the server. If you don't want them to be sent, use a new agent or clear the jar with $cookie_jar->clear.

When you say the server requires that the client accept a cookie, presumably you mean that the cookie must be kept around in order to retrieve another page correctly. Because when serving the first page, the server has no idea whether the user will keep the cookie (i.e. send it back later). If you mean it must remember it and send it back, you'll want to reuse the user agent (and cookie jar) as mentioned above. If you want to preserve the cookie jar for later use outside your script, take a look at the save and load methods in HTTP::Cookies. For a longer discussion of this subject, check out perldoc lwpcook and poke through the Q&A section under the HTTP and FTP clients topic.

Replies are listed 'Best First'.
Re: Re: LWP::UserAgent and Cookies
by IlyaM (Parson) on Dec 12, 2001 at 03:54 UTC
    Just a note:

    You don't need

    $cookie_jar->extract_cookies( $response );
    If cookie jar object is set for user agent object than user agent does this itself.

    Ilya Martynov (

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[usemodperl]: someone has yet to make that future famous free http to https proxy written in perl and supported by ads, paypal, patreon, etc to make millions of dollars a minute!
[Veltro]: Why would this be fresh, I recon this is stuff that happens all the time (not Perl per se)
[Corion]: usemodperl: I'm sure you could even code that on the command line.
[usemodperl]: definitely

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