[Ssh-sftp-perl-users] net::ssh::perl interface.

[edward v. <eve...@ve...>]

In reading the documentation on the "cmd" meathod I see:
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Runs the command $cmd on the remote server and returns the stdout, stderr, and exit status of that command.

If $stdin is provided, it's supplied to the remote command $cmd on standard input.

NOTE: the SSH-1 protocol does not support running multiple commands per connection, unless those commands are chained together so that the remote shell can evaluate them. Because of this, a new socket connection is created each time you call cmd, and disposed of afterwards. In other words, this code:

    my $ssh = Net::SSH::Perl->new("host1");
    $ssh->login("user1", "pass1");

    $ssh->cmd("foo");
    $ssh->cmd("bar");

will actually connect to the sshd on the first invocation of cmd, then disconnect; then connect again on the second invocation of cmd, then disconnect again.

Note that this does not apply to the SSH-2 protocol. SSH-2 fully supports running more than one command over the same connection.
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My problem is that I am using SSH-2 and I still get a new connection for each command I execute.   What do I have to do to  issue multiple commands over the same connection.


Example:

ssh->cmd("pwd");
    
   output is "/home/here".

ssh->cmd("cd cur");
ssh->cmd("pwd");

    output is "/home/here".

ssh->cmd("cd cur\npwd");

     output is "/home/here/cur".

I have turned the debug option on and it confirms that I get a new connection each time I issue a cmd...   Does anyone have a solution or suggestion on what I might try. 




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