my $copy = ("copy tftp://10.148.48.52/cat4500-ipbasek9-mz.122-31.SGA9.bin bootflash:cat4500-ipbasek9-mz.122-31.SGA9.bin");
    $session_obj->input_log(*STDOUT);
    $session_obj->begin_privileged($userinfo[1]);
    $session_obj->cmd("$copy");
    $session_obj->cmd("cat4500-ipbasek9-mz.122-31.SGA9.bin");
    $session_obj->close;