final Process p; // Process tracks one external native process
BufferedReader is; // reader for output of process
String line;
p = Runtime.getRuntime().exec(PROGRAM);
Debug.println("exec", "In Main after exec");
// Optional: start a thread to wait for the process to terminate.
// Don't just wait in main line, but here set a "done" flag and
// use that to control the main reading loop below.
Thread waiter = new Thread() {
public void run() {
try {
p.waitFor();
} catch (InterruptedException ex) {
// OK, just quit.
return;
}
System.out.println("Program terminated!");
done = true;
}
};
waiter.start();
// getInputStream gives an Input stream connected to
// the process p's standard output (and vice versa). We use
// that to construct a BufferedReader so we can readLine() it.
is = new BufferedReader(new InputStreamReader(p.getInputStream()));
while (!done && ((line = is.readLine()) != null))
System.out.println(line);
Debug.println("exec", "In Main after EOF");
return;
