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public class Exec {
  public static void main(String args[]) throws IOException, InterruptedException {
    Runtime rt = Runtime.getRuntime();
    Process proc = rt.exec("notemaker");
    InputStream is = proc.getInputStream();
    InputStreamReader isr = new InputStreamReader(is);
    BufferedReader br = new BufferedReader(isr);
    
    String line;
    while ((line = br.readLine()) != null) {  
      System.out.println(line);  // Prints the error lines
    }

    int exitVal = proc.waitFor();   
  }
}