Read all information that the child process sends to its standard output stream : Runtime « Development Class « Java






  1. Java
  2. Development Class
  3. Runtime

Read all information that the child process sends to its standard output stream

     
    
import java.io.InputStream;

class Run2 {
  public static void main(String[] args) throws java.io.IOException {
    if (args.length != 1) {
      System.err.println("usage: java Run pathname");
      return;
    }

    Process p = Runtime.getRuntime().exec(args[0]);

    InputStream is = p.getInputStream();
    int b;
    while ((b = is.read()) != -1)
      System.out.print((char) b);

    try {
      System.out.println("Exit status = " + p.waitFor());
    } catch (InterruptedException e) {
    }
  }
}








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