<TMPL_VAR ESCAPE="HTML" NAME="title">

##

#!/usr/local/bin/perl
# Usage: perl "thisfile.pl inputfile.txt"
use warnings;
use strict;
use HTML::Template;

my $title = "Page Title"; # or a variable representing a 
                          # command-line argument, or             
                          # something extracted from your 
                          # input file.
my $text;

{
  local $/ = undef;
  $text = <>;
}

$text =~ s/\b(myword)\b/$1
/g;

my $template = HTML::Template->new(filename => 'my_template.tmpl');

$template->param(date => "$title");
$template->param(date => "$text");

print $template->output;