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// Create a process and read from its standard error.
import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
public class Process_2
{
public static void main(String[] args)
{
try
{
Runtime r = Runtime.getRuntime();
String s = "Hello World";
String[] a = { "sh", "-c", "echo " + s + " >&2" };
Process p = r.exec(a);
InputStream is = p.getErrorStream();
InputStreamReader isr = new InputStreamReader(is);
BufferedReader br = new BufferedReader(isr);
String result = br.readLine();
if (! s.equals(result))
{
System.out.println("bad 1");
return;
}
result = br.readLine();
if (result != null)
{
System.out.println("bad 2");
return;
}
int c = p.waitFor();
System.out.println(c == 0 ? "ok" : "bad 3");
}
catch (Exception ex)
{
System.out.println(ex.toString());
}
}
}
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