linux-c++调用shell

只要用system()就好.

如shell文件 first.sh

此shell程序的功能是把含有字符串“qiang”的文件都输出来。

#!/bin/bash
# this file looks through all the files in the current directory for the string "qiang", and then prints the names of those files to the stand ouput
for file in *
do
if grep -q qiang $file
then
echo $file
fi
done
exit 0

c++文件 mycall.cpp

#include<iostream>
#include<unistd.h>
using namespace std;
int main()
{
//    system("./a.out");
system("sh first.sh");
}

编译：

g++ mycall.cpp -o exe

执行

./exe

显示效果：

first

first.sh

hello.cpp

hello.cpp~

hzq.txt

mycall.cpp

mycall.cpp~

testdir.cpp

testdir.cpp~