in reply to Scalar string to web page

HTML::FromText may fill the bill for you.

use warnings;
use strict;
use HTML::FromText;

print text2html ('<b>This is some HTML</b>') . "\n";
__END__

&lt;b&gt;This is some HTML&lt;/b&gt;

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Perl is Huffman encoded by design.

In Section Seekers of Perl Wisdom