C++ program to read and write a word into a file.

C++ File Read Write Example

Following C++ program will read and write a word into a given file.

#include <fstream>

#include <iostream>

using namespace std;

int main () {   

   char word[20];

   //Open a data file to write a word.

   ofstream fout;

   fout.open("data.txt");

   cout << "Writing a word to data file...\n";

   cout << "Enter your word: ";

   cin.getline(word, 20);

   fout << word; // write data

   fout.close(); // close file

   ifstream fin;

   fin.open("data.txt"); // open file to read

   cout << "\nReading a word from a file...\n";

   fin >> word;

   cout << word;    //write data to screen   

   fin.close();     //close file

   return 0;

}

Output of Program

Writing a word to data file...

Enter your word: hello

Reading a word from a file...

hello

Note: Loops can be used to read/write multiple words into a file.

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