my $ssh2 = Net::SSH2->new();
$ssh2->debug(1);
if ($ssh2->connect($host)) {
  if ($ssh2->auth_password($user,$pass)) {
      #shell use
	  print "connetced\n";
      my $chan = $ssh2->channel() and print "channel created\n";
      $chan->shell() and print "shell method called\n";
	  $chan->blocking(1) and print "blocking set ot 1\n";
      $chan->write("dir\n") and print "dir fired\n";
      select(undef,undef,undef,0.2) and print "select command fired\n";
      print $buf while ($len = $chan->read($buf,512)) > 0;

##</code><code>##

C:\Compatibility_Automation_Temp>perl SSH2.pl
connetced
libssh2_channel_open_ex(ss->session, pv_channel_type, len_channel_type, window_size, packet_size, ((void *)0) , 0 ) -> 0x1c70aec
channel created
shell method called
blocking set ot 1
dir fired
Net::SSH2::Channel::read(size = 512, ext = 0)

##here, this program stuck

##</code><code>##

sub shell {
    $_[0]->process('shell')
}