Source Code : Show how to use exec to pass complex args

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Show how to use exec to pass complex args

  

import java.io.*;

/*
 * Show how to use exec to pass complex args (which are almost
 * certainly system-dependant) to a command-line interpreter.
 */
public class ExecShellArgs {
  public static void main(String[] args) throws IOException {
    Runtime r = Runtime.getRuntime();
    String[] nargs = { "sh", "-c", "for i in 1 2 3; do echo $i; done" };
    Process p = r.exec(nargs);
    BufferedReader is =
      new BufferedReader(new InputStreamReader(p.getInputStream()));
    String line;
    while ((line = is.readLine()) != null)
      System.out.println(line);
  }
}


           
         
    
  

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