import java.io.DataInputStream;
import java.io.IOException;
import java.io.PrintStream;
import java.net.Socket;
public class finger {
public final static int port = 79;
public static void main(String[] args) {
String hostname;
Socket theSocket;
DataInputStream theFingerStream;
PrintStream ps;
try {
hostname = args[0];
}
catch (Exception e) {
hostname = "localhost";
}
try {
theSocket = new Socket(hostname, port, true);
ps = new PrintStream(theSocket.getOutputStream());
for (int i = 1; i < args.length; i++) ps.print(args[i] + " ");
ps.print("\r\n");
theFingerStream = new DataInputStream(theSocket.getInputStream());
String s;
while ((s = theFingerStream.readLine()) != null) {
System.out.println(s);
}
}
catch (IOException e) {
System.err.println(e);
}
}
}