read text file in cpp code example
Example 1: read a file c++
#include <iostream>
#include <fstream>
#include <string>
using namespace std;
int main () {
string line;
ifstream myfile ("example.txt");
if (myfile.is_open())
{
while ( getline (myfile,line) )
{
}
myfile.close();
}
else cout << "Unable to open file";
return 0;
}
Example 2: read text from file c++
#include<iostream>
#include<fstream>
using namespace std;
int main() {
ifstream myReadFile;
myReadFile.open("text.txt");
char output[100];
if (myReadFile.is_open()) {
while (!myReadFile.eof()) {
myReadFile >> output;
cout<<output;
}
}
myReadFile.close();
return 0;
}
Example 3: write to file in C++
ofstream myfile;
myfile.open("file.txt");
myfile << "write this to file"