> CGI, which I've decided to not use

Good for you! What did you use instead?

There are modules that do most of the work for you. For example, using Plack::Request, which is still rather low level, you can just write: 

#!/usr/bin/perl
use strict;
use warnings;

use Plack::Request;

sub {
    my $req = 'Plack::Request'->new(shift);
    my %method = (
        GET  => sub { [<DATA>] },
        POST => sub { ['Hello ', $req->body_parameters->{text}] });
    my $action = $method{ $req->method }
               or return [405, [Allow => join ', ', keys %method], []]
+;
    return [200, ['Content-type' => 'text/html'], $action->()]
}

__DATA__
<html><body>
    <form method=post>
        Your name: <input name=text>
        <p>
        <input type=submit value=Submit>
    </form>
</body></html>

[download]

Update: This code is wrong, see jcb's note.

map{substr$_->[0],$_->[1]||0,1}[\*||{},3],[[]],[ref qr-1,-,-1],[{}],[sub{}^*ARGV,3]

In reply to Re: Parse multipart/form-data with MIME::Parser by choroba
in thread Parse multipart/form-data with MIME::Parser by Anonymous Monk

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