with(
 new ActiveXObject('WScript.Shell')
 .exec('graftabl.com')
 .stdOut
){
  // только третья строка:
  skipLine(),skipLine();
  WScript.echo(typeof(readLine()));
  // весь вывод:
  // WScript.echo(readAll());
}

WshShell = WScript.CreateObject("WScript.Shell");
var InStream = WshExec.StdIn;
InStream.WriteLine(connect);
InStream.WriteLine (user);
InStream.WriteLine("binary");
InStream.WriteLine ("prompt");
InStream.WriteLine("dir");
InStream.WriteLine("bye");
var OutStream = WshExec.StdOut;
while (!OutStream.AtEndOfStream) {
    ParseDIRout(OutStream.ReadLine());
}