How to use a CMD command in c++?

Question

I want to use this cmd command

ROBOCOPY D:folder1 D:folder2 /S /E

with conditions to copy the contents of folder1 to folder2

if(i == 1)

and,

if(i == 2)

ROBOCOPY D:folder3 D:folder4 /S /E

to copy the contents of folder3 to folder4

what should i do?

Answer 1

"what should i do?"

You simply do this (using the std::system() function):

#include <cstdlib>

// ...

if(i == 1) {
    std::system("ROBOCOPY D:/folder1 D:/folder2 /S /E");
}
else if(i == 2) {
    std::system("ROBOCOPY D:/folder3 D:/folder4 /S /E");
}

---

Note that for string literals like "D:folder3", you'll need to escape '' characters, with another '': "D:\folder3".
Or even two more, depending on the interpreting command shell (should work on windows cmd without doing so): "D:\\folder3".
The easier way though, is to use the simpler to write '/' character, that's accepted for specifying windows pathes lately as well.