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From: Jack on 1 Apr 2010 01:54
On Mar 31, 6:11 am, Paul Cager <paul.ca...(a)googlemail.com> wrote:
> On Mar 31, 7:53 am, Jack <junw2...(a)gmail.com> wrote:
> ...
>
> > Runtime.getRuntime().exec("myscript");
>
> > How to pass in the password automatically if I store the password in a
> > String? Here there is no use/program interaction. There is no user to
> > type in the password.
>
> > Thanks.
>
> > Jack
>
> If you can't alter the script (or don't want to send the password as
> an argument, e.g. for security concerns), then you could write input
> to the process's stdin:
>
>     Process p = Runtime.getRuntime().exec("....");
>     p.getOutputStream().write("MyPassword".getBytes());
>     p.getOutputStream().close();
>
> (That should work for Linux, but I'm not too familiar with Windows).
>
> However a script to read a password might not read from standard input
> (it might open the terminal directly so that it can control character
> echoing). In that case things get complicated...

The script is a windows batch file. I want to call it in my java code.

Thanks.
From: Johannes Schneider on 2 Apr 2010 06:16
Jean-Baptiste Nizet wrote:
> The easiest way is certainly to modify the script. It might take a
> unique argument which would be the password, so you could start it
> with
>
> myscript mySecretPassword

Don't do this.
If you do this, "ps aux" will show the password.



Johannes

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