write in file in cpp code example
Example 1: c++ files
#include <iostream>
#include <fstream>
using namespace std;
int main () {
ofstream myfile;
myfile.open ("example.txt");
myfile << "Writing this to a file.\n";
myfile.close();
return 0;
}
Example 2: how to read and write in a file c++
#include <iostream>
#include <fstream>
using namespace std;
ifstream file_variable;
file_variable.open("input.txt");
file_variable.close();
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while (cin >> name >> value)
{
cout << name << value << endl;
}
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ofstream out_file;
out_file.open("output.txt");
out_file << "Write this scentence in the file" << endl;
Example 3: file reading c++
int a, b;
ifstream bd;
myfile.open("file.txt");
if (myfile.is_open())
while (bd >> a >> b)
cout << a << b << endl;
else cout << "ERROR";
Example 4: write to file in C++
ofstream myfile;
myfile.open("file.txt");
myfile << "write this to file"