Question

How to write struct to a text file in C++

Answer 1

#include <iostream>
#include <fstream>

struct Example {
    float x, y;
};

int main(void)
{
    Example ex = { 3.14f, 17.25f };

    std::ofstream ofs;
    ofs.open("data.txt");
    if ( !ofs ) {
        std::cout << "error opening file";
        exit(1);
    }
        
    ofs << ex.x << " " << ex.y;

    ofs.close();
}


// data.txt
// --------
// 3.14 17.25


/*
run:


*/

 

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