FAQ 9.11 How do I redirect to another page?

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9.11: How do I redirect to another page?

    Specify the complete URL of the destination (even if it is on the same
    server). This is one of the two different kinds of CGI "Location:"
    responses which are defined in the CGI specification for a Parsed
    Headers script. The other kind (an absolute URLpath) is resolved
    internally to the server without any HTTP redirection. The CGI
    specifications do not allow relative URLs in either case.

    Use of CGI.pm is strongly recommended. This example shows redirection
    with a complete URL. This redirection is handled by the web browser.

          use CGI qw/:standard/;

          my $url = 'http://www.cpan.org/';
          print redirect($url);

    This example shows a redirection with an absolute URLpath. This
    redirection is handled by the local web server.

          my $url = '/CPAN/index.html';
          print redirect($url);

    But if coded directly, it could be as follows (the final "\n" is shown
    separately, for clarity), using either a complete URL or an absolute

          print "Location: $url\n";   # CGI response header
          print "\n";                 # end of headers


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