#!/usr/bin/perl -w

use strict;

my $email    = $ARGV[0] or die "no email address given\n";

# setup our alphabet
my @alphabet = qw(a b c d e f g
                  h i j k l m n
                  o p q r s t u
                  v w x y z);

# Translate non alphanumerics first
my %translate=( "."  => "46",
                "-"  => "45",
                "\@" => "64",
                " "  => "32",
                "_"  => "95");

# translate our numbers
for ( 0 .. 9 )
{
    $translate{$_}                = $_ + 48;
}

# translate our alphabet
for ( 0 .. 25 )
{
    $translate{$alphabet[$_]}     =  $_ + 97;
    $translate{ uc $alphabet[$_]} =  $_ + 65;
}

print "&#" . sprintf("%03d", $translate{$_}) for (split //, $email);

print "\n";

[download]

In reply to html2code.pl by tcf03

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":


  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.