Even though my portuguese is bad, I hope you'll understand this :

What's wrong with using the POSIX function strftime() ? If you insist on numeric codes, you could rewrite your function as :

Que é errado com usar o função strftime() de POSIX? Se você insistisse em códigos numéricos, você poderia reescrever sua função como :

use POSIX qw(strftime);
my @formats = (
  undef,
  '%Y-%m-%d %H:%M:%S',
  '%m%d%Y',
  '%y%m%d',
  '%d%m%y',
  '%Y%m%d%H%M%S',
  '%Y%m%d',
  '%d/%m/%Y. %H:%M:%S',
  '%Y%m%d%H%M',
  '%d/%m/%Y',
);
sub TimeStamp {
  my $f = shift;
  return strftime($format[$f], localtime);
}
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but there is no sense in having many predefined formats that you reference by number. Either have constants or use the strftime format strings directly.

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
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