public static function D
cat($args) { $ret = null;
$files = array
();
if (!
is_array($args)) { $args =
preg_split('/\s+/',
$args, -1, PREG_SPLIT_NO_EMPTY
);
} $count_args =
count($args);
for ($i = 0;
$i <
$count_args;
$i++
) { if ($args[$i] == '>'
) { $mode = 'wb';