#!/usr/bin/perl print "content-type: text/html\n\n"; print "Environment \n"; print "

These are the environment variables in the current context:

\n Refresh and look at HTTP_REFERRER and QUERY_STRING
see Iframe example again
\n"; while ((my $key, my $value) = each (%ENV)) { print "
$key =\n
$value\n"; } print "
\n\n";