Utiliser plink en Java

Bonjour,

Je souhaite envoyer des commandes SSH dans une console Putty via un programme Java.
Pour cela j'ai lu qu'on pouvait utiliser plink : http://marc.terrier.free.fr/docputty/Chapter7.html
Mais j'ai un souci, je n'arrive pas à lancer quoi que ce soit et je me demandais si on pouvais avoir un exemple d'utilisation.

Voilà où j'en suis, je lance ce code :

Code:

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import java.io.InputStream;
import java.io.OutputStream;
 
 
public class Main {
 
	private static InputStream std;
	private static OutputStream out;
	private static InputStream err;
 
	public static void main(String[] args) {
		try {
		    String command = "plink -load profile";
 
		    Runtime r = Runtime.getRuntime ();
		    Process p = r.exec (command);
		    std = p.getInputStream ();
		    out = p.getOutputStream ();
		    err = p.getErrorStream ();
 
		    out.write ("ls -l\n".getBytes ());
		    out.flush ();
 
		    Thread.sleep (1000);
 
		    int value = 0;
		    if (std.available () > 0) {
		        System.out.println ("STD:");
		        value = std.read ();
		        System.out.print ((char) value);
 
		        while (std.available () > 0) {
		            value = std.read ();
		            System.out.print ((char) value);
		        }
		    }
 
		    if (err.available () > 0) {
		        System.out.println ("ERR:");
		        value = err.read ();
		        System.out.print ((char) value);
 
		        while (err.available () > 0) {
		            value = err.read ();
		            System.out.print ((char) value);
		        }
		    }
 
		    p.destroy ();
		}
		catch (Exception e) {
		    e.printStackTrace ();
		}
	}
 
}

Et j'ai ça en console, sauf que ça ne veut rien dire :

Code:

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STD:
Plink: command-line connection utility
Release 0.64
Usage: plink [options] [user@]host [command]
       ("host" can also be a PuTTY saved session name)
Options:
  -V        print version information and exit
  -pgpfp    print PGP key fingerprints and exit
  -v        show verbose messages
  -load sessname  Load settings from saved session
  -ssh -telnet -rlogin -raw -serial
            force use of a particular protocol
  -P port   connect to specified port
  -l user   connect with specified username
  -batch    disable all interactive prompts
  -sercfg configuration-string (e.g. 19200,8,n,1,X)
            Specify the serial configuration (serial only)
The following options only apply to SSH connections:
  -pw passw login with specified password
  -D [listen-IP:]listen-port
            Dynamic SOCKS-based port forwarding
  -L [listen-IP:]listen-port:host:port
            Forward local port to remote address
  -R [listen-IP:]listen-port:host:port
            Forward remote port to local address
  -X -x     enable / disable X11 forwarding
  -A -a     enable / disable agent forwarding
  -t -T     enable / disable pty allocation
  -1 -2     force use of particular protocol version
  -4 -6     force use of IPv4 or IPv6
  -C        enable compression
  -i key    private key file for user authentication
  -noagent  disable use of Pageant
  -agent    enable use of Pageant
  -hostkey aa:bb:cc:...
            manually specify a host key (may be repeated)
  -m file   read remote command(s) from file
  -s        remote command is an SSH subsystem (SSH-2 only)
  -N        don't start a shell/command (SSH-2 only)
  -nc host:port
            open tunnel in place of session (SSH-2 only)