chomp $text;
unpad($text);
$text =~ s/\%([0-9A-F][0-9A-F])/chr(hex($1))/eg;
$text = substr($text, 0, $duplth) if length $text > $duplth;
$text = pack("C*", map {$_ & 127} unpack("C*", $text));
chomp $text;
unpad($text);
$text =~ s/\%([0-9A-F][0-9A-F])/chr(hex($1))/eg;
$text = substr($text, 0, $duplth) if length $text > $duplth;
$text = pack("C*", map {$_ & 127} unpack("C*", $text));