download to folder

Hi, In cakephp I can download a file from the server as below.
It works fine and I get a window to save or open.

I dont want this window appearing as I want to download to a folder on my computer without this window appearing.
How can I code it to save to a specific folder  ?

$filename='Excel/'.$timesheet['TimeSheet']['excel_filename'];
$filesave=$timesheet['TimeSheet']['excel_filename'];
 debug($filename);
 
  $this->response->file($filename, array('download' => true, 'name' => $filesave));

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