比如我的程序名为:aaa
存放路径是:/homo/code/
我在/home/ccc 目录执行shell文件。shell文件的内容为

#!/bin/bash
/homo/code/aaa

我希望获取的路径是 /homo/code/ 而不是脚本的路径

给出完整接口代码

#include <iostream>
#include <string>
#include <string.h>
#include <unistd.h>#define MAX_PATH_LEN  256bool getCurrRunningPath(std::string &currPath)
{char path[MAX_PATH_LEN] = {0};char *p = NULL;ssize_t n = readlink("/proc/self/exe", path, MAX_PATH_LEN);if (n > 0) {p = strrchr(path, '/');*(p + 1) = '\0'; // 去掉最后的程序名称currPath.assign(path);std::cout << "get current running path:" << path << std::endl;return true;} else {std::cout << "get current running path failed, errno: " << errno << std::endl;}return false;
}int main()
{std::string curpath;getCurrRunningPath(curpath);std::cout << "***: " << curpath << std::endl;return 0;
}