"write to file in C++" Code Answer's

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how to read and write in a file c++

By Glamorous GibbonGlamorous Gibbon on Apr 04, 2020 
#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;

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7

read text from file c++

By Calm CrocodileCalm Crocodile on Jan 23, 2021 
#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;
}

Source: www.cplusplus.com

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0

write to file in C++

By SpinnekopSpinnekop on Jul 01, 2020 
ofstream myfile;
myfile.open("file.txt");

myfile << "write this to file"

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0

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