/**
 * Execute.java
 *
 * Created: Tue Oct 24 18:10:18 2000
 *
 * @author David Green
 * @version 1.01 10 August 2004 -- note about cmd /c and locked down computers
 */

import java.io.*;
    
public class Execute {
        
    public static void main(String[] args) throws IOException  {

        String s;

        // cmd /c (or command /c) is needed for internal commands
        // but not for external commands like ping
        // String command = "cmd /c dir";

        // Summer 2004 EE333 students report that the Engineering Lab
        // computers are locked down in such a way as to prevent
        // proper execution of ANY command without running it within
        // the cmd /c shell .
        
        String command = "ping 138.26.1.1";

        System.out.println("Execute - ");
        
        Runtime rt = Runtime.getRuntime();

        Process p = rt.exec( command );
        
        BufferedReader br = new BufferedReader(
                            new InputStreamReader( p.getInputStream() ) );
        
        while ( ( s = br.readLine() ) != null )
            System.out.println( s );
        }
        
    } // Execute