adminchangpass.java

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import java.io.BufferedReader;
	import java.io.IOException;
	import java.io.InputStreamReader;
	import java.io.OutputStream;
	import java.io.OutputStreamWriter;
	import java.io.PrintWriter;


	public class adminchangpass {

		
		public static void main (String ty[]) throws InterruptedException, IOException
		{
			
			Process pr= null;
			  pr = Runtime.getRuntime().exec("/usr/local/globus/sbin/myproxy-admin-change-pass " );
			            
			  
			 	OutputStream out =pr.getOutputStream();
			out.write("123456\n".getBytes());
			Thread.sleep(500);
			out.flush();
			out.write("123456\n".getBytes());
			Thread.sleep(500);
			out.flush();
			out.write("123456\n".getBytes());
			out.close();
			
			OutputStream output = pr.getOutputStream();

		    PrintWriter outputWriter = new PrintWriter(new OutputStreamWriter(output));
			    { 
			    BufferedReader buf = new BufferedReader(new InputStreamReader(pr.getInputStream()));
						String line = "";
				
				while ((line=buf.readLine())!=null) {
					System.out.println(line);
					 System.out.println(pr.waitFor());
				}
				
			}

	}

	}