Re: Problems with exec()

From:
Robert Klemme <shortcutter@googlemail.com>
Newsgroups:
comp.lang.java.programmer
Date:
Sat, 28 Oct 2006 00:03:51 +0200
Message-ID:
<4qfe28Fn174rU1@individual.net>
phuonganh.Ng@gmail.com wrote:

Thanks for all your help, i'm still working on the problem. Below is my
code to simply open the application, input a sentence and wanting to
get the output.
----------------------------------------
try {
       String out;
       Process p =
Runtime.getRuntime().exec("C:/work/APP5.9/bin/app.exe");

       BufferedReader output = new BufferedReader(new
InputStreamReader(p.getInputStream()));
       BufferedWriter input = new BufferedWriter(new
OutputStreamWriter(p.getOutputStream()));

       input.write("I tripped over a rock as I ran.\n");
       input.flush();

       while ((out = output.readLine()) != null) {
              System.out.println(out);

       }
       output.close();
       p.destroy();
       }
catch (Exception err) {
    err.printStackTrace();
       }
---------------------------------------

It didn't print out anything nor give me any error.


Depending on what the app does you might have to close the input before
you see anything.

    robert

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