#!/usr/bin/perl -T
use strict;
use warnings;
use HTML::Entities;
print <<EOF;
Content-type: text/html
<html><head>
<title>Environment variables and POSTed data</title>
</head>
<body>
<p> POSTed input data :
<blockquote>
EOF
print encode_entities $_ while (<>);
print <<EOF;
</blockquote>
</p>
<form method="post" action="$ENV{SCRIPT_NAME}">
<input name="box1" value="value1"/>
<input type="submit" value="Send some data"/>
</form>
<p> Environment: </p>
<table border="1">
EOF
foreach my $v (sort keys %ENV) {
print qq.<tr><td>$v</td><td><tt>.,
encode_entities($ENV{$v}), qq.</tt></td></tr>\n.;
}
print <<EOF;
</table>
<p> source code for this page:
<blockquote>
EOF
unless (seek DATA,0,0) {
print "couldn't read myself\n"
} else {
print "<pre>";
print encode_entities $_ while (<DATA>);
print "</pre>";
}
print <<EOF;
</blockquote>
</p>
</body>
</html>
EOF
__DATA__
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