I ain't sure how useful it would be. The point of it would be to print something easily in a HTMl-escaped format (I think you mean escaped, not so much encoded). The problem is that tie-ing means whenever you access that variable, you get the HTML-escaped version. So, for example, this:
$input =~ s/\<script\>/<script type='text/javascript'>/;
might not work as you expect.
You might prefer to use overload to overload the string operator. (NB: this is fairly new and tricky - I've had core dumps.)
dave hj~
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