In this tutorial, we will write a C++ program to read a file and display its contents. In order to understand the program, you should have knowledge of the topic in C++ below.
Before writing a program: To read a file using C++ program, you first need to create a file and give it a name and save the file inside the current directory (i.e the directory where the C++ program will be saved).
Consider a text file name test.txt is saved which has the following content in it.
Hello! This is simple2code.com.
Now let us write a program to read this file in C++.
C++ Program to Read a File
using namespace std;
char str, fname;
cout << "Enter a file name: ";
cin >> fname;
cout << "Error Occurred while opening file!";
cout << "\n";
while (file.eof() == 0)
file >> str;
cout << str << " ";
Output: After the execution, the following output will be displayed on the screen.
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