/**
* Convenience method to execute the command and format the output.
*
* @param[in] string $command command to execute.
*
* @return Array well formated array output based on the input parameters.
* returns null is nothing was found for given command parmeters.
*
*/
private static function _executeAndFormat(&$command)
{
// execute query
$command_output = shell_exec($command);
// parse output
// split each line output
$lines = split("\n", $command_output);
$i = 0;
$count = count($lines) - 1;
$output = array();
while ($i < $count) {
PACS::_parseEOL($output, $lines, $i);
}
// return null if array is enpty (prolly a wrong parameter)
if (empty($output)) {
return null;
}
return $output;
}
