$confref->{'ssh_session'}->clear_accum();
        $confref->{'ssh_session'}->send("$cmd\n");
        $confref->{'ssh_session'}->expect( undef,[
                                      '{y|n}:',
                                        sub {
                                                my $fh = shift;
                                                print $fh "y\n";
                                                $pass_flag = 1;
                                                exp_continue;
                                        }
                                        ]
                                        ,-re, qr'./*> $' );
        $confref->{'ssh_session'}->clear_accum();

        $info = $confref->{'ssh_session'}->before();