java 执行linux命令

原文地址：

http://blog.csdn.net/xh16319/article/details/17302947

 package scut.cs.cwh;

 import java.io.InputStreamReader;
 import java.io.LineNumberReader;

 public class ExecLinuxCMD {

     public static Object exec(String cmd) {
         try {
             String[] cmdA = { "/bin/sh", "-c", cmd };
             Process process = Runtime.getRuntime().exec(cmdA);
             LineNumberReader br = new LineNumberReader(
                     new InputStreamReader(process
                             .getInputStream()));
             StringBuffer sb = new StringBuffer();
             String line;
             while ((line = br.readLine()) != null) {
                 System.out.println(line);
                 sb.append(line).append("\n");
             }
             return sb.toString();
         } catch (Exception e) {
             e.printStackTrace();
         }
         return null;
     }

     public static void main(String[] args) {
         // TODO Auto-generated method stub
         String rst = exec("ls").toString();

         System.out.println(rst);
     }

 }