c++ writing to file
// basic file operations
#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;
}c++ writing to file
// basic file operations
#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;
}read and write file in c++
#include<iostream>
#include<fstream>
using namespace std;
int main()
{
string fileName;
int choice;
cout << "Enter txt file name:\n";
cin >> fileName;
cout << "Enter number of command:\n";
cout << "1. Write file\n";
cout << "2. Read file\n";
cin >> choice;
if (choice == 1)
{
ofstream myfile;
string text;
myfile.open (fileName);
cout << "Write text below: \n"; //file must have no text
cin >> text;
myfile << text;
myfile.close();
}else if (choice == 2)
{
ifstream file(fileName);
string line;
if (file.is_open())
{
while (getline(file, line))
{
cout << line << endl;
}
}
}
return 0;
}Copyright © 2021 Codeinu
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