20 lines
1.2 KiB
Text
20 lines
1.2 KiB
Text
You don't have to know anything about objected-oriented Perl, LWP, or the
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HTTP module to be able to check your links. This module is designed for
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the casual user. It has one function, check_link, that returns the HTTP
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response code that it receives when it tries to fetch the web address
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passed to it. The undef value is returned for any non-HTTP failure and the
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$HTTP::SimpleLinkChecker::ERROR variable is set.
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The HEAD method is tried first, although if anything other than a good
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status code (those less than 400) is received, another request is made
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with the GET method. Note, however, that even with the best code, no
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module can control how servers decide to respond to a check, or control
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any of the myriad things that can go wrong with the network between you
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and the remote server. Some may filter requests based on origin IP
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address, user-agent type, or any other arbitrary factor. Some servers may
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not respond correctly at all. Furthermore, some servers might be
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temporarily down or overloaded. I recommend that you recheck "broken"
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links a couple times over a long period (like a day or two) before you
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decide they are really broken.
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WWW: http://search.cpan.org/dist/HTTP-SimpleLinkChecker/
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