C++/Php/Python 语言执行shell命令详解编程语言

 1 #include <iostream> 
 2 #include <string> 
 3 #include <stdio.h> 
 4  
 5 int exec_cmd(std::string cmd, std::string &res){ 
 6     if (cmd.size() == 0){   //cmd is empty  
 7         return -1; 
 8     } 
 9  
10     char buffer[1024] = {0}; 
11     std::string result = ""; 
12     FILE *pin = popen(cmd.c_str(), "r"); 
13     if (!pin) { //popen failed  
14         return -1; 
15     } 
16  
17     res.clear(); 
18     while(!feof(pin)){ 
19         if(fgets(buffer, sizeof(buffer), pin) != NULL){ 
20             result += buffer; 
21         } 
22     } 
23  
24     res = result; 
25     return pclose(pin); //-1:pclose failed; else shell ret 
26 } 
27  
28 int main(){ 
29     std::string cmd = "ls -ial"; 
30     std::string res; 
31  
32     std::cout << "ret = " << exec_cmd(cmd, res) << std::endl; 
33     std::cout << res << std::endl; 
34  
35     return 0; 
36 }

1 <?php 
2     $cmd = "wc -l ./test.php"; 
3     exec($cmd, $output, $code); 
4  
5     echo $code."/n"; 
6     print_r($output); 
7 ?>

1 import commands 
2  
3 status, output = commands.getstatusoutput('ls -lt') 
4  
5 print status 
6 print output