Read integers from file - line by line

Question

How can I read integers from a file to the array of integers in c++? So that, for example, this file\'s content:

23
31
41
23

would become:<

Answer 1

Here's one way to do it:

#include 
#include 
#include 

int main()
{
    std::ifstream file("c:\\temp\\testinput.txt");
    std::vector list;

    std::istream_iterator eos, it(file);

    std::copy(it, eos, std::back_inserter(list));

    std::for_each(std::begin(list), std::end(list), [](int i)
    {
        std::cout << "val: " << i << "\n";
    });
    system("PAUSE");
    return 0;
}