$exp->expect($timeout,
             [ qr/\(yes\/no\)\?/i, sub { my $self = shift;
                                      $self->send("yes\r");   <----unknown host
                                      exp_continue; }],
             [ qr/password: /i, sub { my $self = shift;
                                      $self->send("$password\n"); <------ needs password
                                      exp_continue; }],
             [ qr/#/i, sub { my $self = shift;                 <-------- ready to go.
                                      $self->send("ls\n");
                                      ;
                                       }],

            ); 

##</code><code>##

$exp->expect($timeout,
             [ qr/#/i, sub { my $self = shift;
                                      $self->send("ll\n");  <---- only works when I have a line below (crazy that is how I know this is not right)
                                      ;
                                       }],                          unless ($exp->expect($timeout, -re , "~")){} ;

            );

##</code><code>##

#!/usr/bin/env perl
use strict;
use warnings;
use Expect;
#$Expect::Exp_Internal = 1;
my $command = "ssh";
my $user = "root";

my @ips = ("10.16.135.157");
my $cnt= 0+@ips;
my $password = "aristo1";
my $timeout = 10;
for (my $i =0; $i < $cnt; $i++) {
my $exp = Expect->spawn ($command, "$user"."@"."$ips[$i]");
#$exp->debug(2);

$exp->expect($timeout,
             [ qr/\(yes\/no\)\?/i, sub { my $self = shift;
                                      $self->send("yes\r");
                                      exp_continue; }],
             [ qr/password: /i, sub { my $self = shift;
                                      $self->send("$password\n");
                                      exp_continue; }],
             [ qr/#/i, sub { my $self = shift;
                                      $self->send("ls\n");
                                      ;
                                       }],

            );

$exp->expect($timeout,
             [ qr/#/i, sub { my $self = shift;
                                      $self->send("ll\n");
                                      ;
                                       }],

            );


unless ($exp->expect($timeout, -re , "~")){} ;
#                 $exp->send("time\n");

}