Re: exec() and sending to STDIO and reading from STDIO

On 18 Oct 2006 00:46:36 -0700, WinstonSmith_101@hotmail.com wrote:


No, it doesn't. Post your *actual* code. You are not running a shell
as I suggested.

This is what happens when I run it with real commands:

  bash$ cat Test.java
  import java.io.*;

  public class Test {
    public static void main(String[] args) throws Exception {
      String[] cmd = { "/bin/sh", "-c", "echo this is a test | wc" };
      Process p = Runtime.getRuntime().exec(cmd);

      BufferedReader br = new BufferedReader(new InputStreamReader (p.getInputStream()));

      String line;
      while ((line = br.readLine()) != null) {
        System.out.println(line);
      }
      br.close();
    }
  }

  base$ javac Test.java
  bash$ java Test
        1 4 15
  bash$

The example is complete and compilable. Try it.

/gordon

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