[转载]JAVA调用Shell脚本
FROM:http://blog.csdn.net/jj12345jj198999/article/details/11891701
在实际项目中,JAVA有时候需要调用C写出来的东西,除了JNI以外,我认为一种比较好的方法是JAVA调用Shell。先把C写出来的make成可执行文件,然后再写一个shell脚本执行该可执行文件,最后是JAVA调用该shell脚本。
JAVA调用很简单,例子如下:
首先是shell脚本
1 #!/bin/sh 2 echo Begin word cluster 3 /home/felven/word2vec/word2vec -train /home/felven/word2vec/resultbig.txt -output /home/felven/word2vec/classes.csv -cbow 0 -size 200 -window 5 -negative 0 -hs 1 -sample 1e-3 -threads 12 -classes 2000 4 echo The word classes were saved to file classes.csv
然后是JAVA调用代码
1 import java.io.BufferedReader; 2 import java.io.InputStreamReader; 3 4 public class RunShell { 5 public static void main(String[] args){ 6 try { 7 String shpath="/home/felven/word2vec/demo-classes.sh"; 8 Process ps = Runtime.getRuntime().exec(shpath); 9 ps.waitFor(); 10 11 BufferedReader br = new BufferedReader(new InputStreamReader(ps.getInputStream())); 12 StringBuffer sb = new StringBuffer(); 13 String line; 14 while ((line = br.readLine()) != null) { 15 sb.append(line).append(" "); 16 } 17 String result = sb.toString(); 18 System.out.println(result); 19 } 20 catch (Exception e) { 21 e.printStackTrace(); 22 } 23 } 24 }