write in file cpp

1// basic file operations
2#include <iostream>
3#include <fstream>
4using namespace std;
5
6int main () {
7  ofstream myfile;
8  myfile.open ("example.txt");
9  myfile << "Writing this to a file.\n";
10  myfile.close();
11  return 0;
12}

1#include <iostream>
2#include <fstream>
3using namespace std;
4
5ifstream file_variable; //ifstream is for input from plain text files
6file_variable.open("input.txt"); //open input.txt
7
8file_variable.close(); //close the file stream
9/*
10Manually closing a stream is only necessary
11if you want to re-use the same stream variable for a different
12file, or want to switch from input to output on the same file.
13*/
14_____________________________________________________
15//You can also use cin if you have tables like so:
16while (cin >> name >> value)// you can also use the file stream instead of this
17{
18 cout << name << value << endl;
19}
20_____________________________________________________
21//ifstream file_variable; //ifstream is for input from plain text files
22ofstream out_file;
23out_file.open("output.txt");
24
25out_file << "Write this scentence in the file" << endl;

1#include <iostream>
2#include <fstream>
3using namespace std;
4int main() {
5	fstream my_file;
6	my_file.open("my_file.txt", ios::out);
7	if (!my_file) {
8		cout << "File not created!";
9	}
10	else {
11		cout << "File created successfully!";
12		my_file << "Guru99";
13		my_file.close();
14	}
15	return 0;
16}
17

1ofstream myfile;
2myfile.open("file.txt");
3
4myfile << "write this to file"