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brian d foy


HTTP::SimpleLinkChecker - Check the HTTP response code for a link


        use HTTP::SimpleLinkChecker;

        my $code = HTTP::SimpleLinkChecker::check_link($url);

        unless( defined $code )
                print "Error: $HTTP::SimpleLinkChecker::ERROR\n";


You don't have to know anything about objected-oriented Perl, LWP, or the HTTP module to be able to check your links. This module is designed for the casual user. It has one function, check_link, that returns the HTTP response code that it receives when it tries to fetch the web address passed to it. The undef value is returned for any non-HTTP failure and the $HTTP::SimpleLinkChecker::ERROR variable is set.

The HEAD method is tried first, although if anything other than a good status code (those less than 400) is received, another request is made with the GET method. Note, however, that even with the best code, no module can control how servers decide to respond to a check, or control any of the myriad things that can go wrong with the network between you and the remote server. Some may filter requests based on origin IP address, user-agent type, or any other arbitrary factor. Some servers may not respond correctly at all. Furthermore, some servers might be temporarily down or overloaded. I recommend that you recheck "broken" links a couple times over a long period (like a day or two) before you decide they are really broken.

If you are behind a firewall or proxy, this module picks up those settings through LWP::UserAgent's env_proxy() method. See LWP::UserAgent for more details.


Returns the HTTP response code for URL.


Returns a reference to the LWP::UserAgent object. You can affect it directly. See LWP::UserAgent.

        my $ua = HTTP::SimpleLinkChecker::user_agent();
        $ua->from( 'joe@example.com' );
        $ua->agent( 'Mozilla 19.2' );


This source is in Github:


If, for some reason, I disappear from the world, one of the other members of the project can shepherd this module appropriately.


brian d foy, <bdfoy@cpan.org>


Copyright (c) 2004-2010 brian d foy. All rights reserved.

This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.