read text file c++
#include <iostream>
#include <fstream>
#include <string>
using namespace std;
int main() {
ifstream is("samplefile.txt");
string line;
while (getline(is, line)) {
cout << line << endl;
}
return 0;
}read text file c++
#include <iostream>
#include <fstream>
#include <string>
using namespace std;
int main() {
ifstream is("samplefile.txt");
string line;
while (getline(is, line)) {
cout << line << endl;
}
return 0;
}how to read and write in a file c++
#include <iostream>
#include <fstream>
using namespace std;
ifstream file_variable; //ifstream is for input from plain text files
file_variable.open("input.txt"); //open input.txt
file_variable.close(); //close the file stream
/*
Manually closing a stream is only necessary
if you want to re-use the same stream variable for a different
file, or want to switch from input to output on the same file.
*/
_____________________________________________________
//You can also use cin if you have tables like so:
while (cin >> name >> value)// you can also use the file stream instead of this
{
cout << name << value << endl;
}
_____________________________________________________
//ifstream file_variable; //ifstream is for input from plain text files
ofstream out_file;
out_file.open("output.txt");
out_file << "Write this scentence in the file" << endl;Copyright © 2021 Codeinu
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