Write standard input or files as paragraphs in an HTML correct page

paras.pl

#!/usr/bin/env perl

use CGI qw(:standard);
use strict;
use warnings;
use v5.14; # Para say

my @parrafos = <>;
say start_html("Salida de párrafos");
for my $p (@parrafos) {
    say p( $p );
}
say end_html;