### main script:
die "No client data specified"
  unless %Client::Data::positions;

while (<>) {
  print decode_positions( $_, %Client::Data::positions );
};

### client/Client/Acme.pm
package Client::Data;

use vars qw(%positions);

%positions = (
 ...
);

1;

### command line
perl -MClient::ACME magicscript.pl

##</code><code>##

perl -MHTTP::Daemon -MHTTP::Response -MLWP::Simple -e ' ;    # The  
$d = new HTTP::Daemon and fork and getprint $d->url and exit;#spider
($c = $d->accept())->get_request(); $c->send_response( new   #in the
HTTP::Response(200,$_,$_,qq(Just another Perl hacker\n))); ' #  web