japhy
Enthusiast
May 22, 2000, 6:10 AM
Post #2 of 2
(163 views)
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You might get a reasonable value in the $ENV{HTTP_REFERER} variable. That holds the value of the referrer (yes, that is the correct way to spell the word -- the variable is spelled incorrectly), but it is subject to tampering. But if you don't really care, then you can do something like:
<BLOCKQUOTE><font size="1" face="Arial,Helvetica,sans serif">code:</font><HR>
use LWP::Simple;
$previous_page = get $ENV{HTTP_REFERER};
</pre><HR></BLOCKQUOTE>
And then $previous_page holds the content of the page they supposedly linked from. Note that they MUST HAVE LINKED FROM THE PAGE to make it the HTTP_REFERER. That's because that's what it MEANS to refer.
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