override rw-r--r--  www/admin for 1image.jpg? 

##</code><code>##

$imgfile=">/Library/WebServer/Documents/gcdata/".$id."image.jpg";
$cmd1 = "chown me ".$imgfile."";
$cmd2 = "chmod 777 ".$imgfile."";
$cmd3 = "rm ".$imgfile."";
if (-e $file){
system "$cmd1";
system "$cmd2";
system "$cmd3";
}