Simple Program for Read File Operation

Program for reading the content of a file.

Simple Program for Read File Operation Algorithm/Steps:

• STEP 1: Start the program.
• STEP 2: Declare the variables.
• STEP 3: Get the file name to read.
• STEP 4: Using ifstreamin(filename) check whether the file exist.
• STEP 5: If the file exists then check for the end of file condition.
• STEP 6: Read the contents of the file.
• STEP 7: Print the contents of the file.
• STEP 8: Stop the program.

Simple Program for Reading File Operation Example

#include<iostream.h>
#include<conio.h>
#include<fstream.h>

void main() {
    char c, fname[10];
    clrscr();
    cout << "Enter file name:";
    cin>>fname;
    ifstream in(fname);
    if (!in) {
        cout << "File Does not Exist";
        getch();
        return;
    }
    cout << "\n\n";
    while (in.eof() == 0) {
        in.get(c);
        cout << c;
    }
    getch();
}

Sample Output

Enter File name: one.txt
Master of Computer Applications

(file one.txt contains text "Master of Computer Applications") 

How It Works

This C++ program demonstrates Simple Program for Read File Operation. It first reads the required values as input, then walks through the data with a loop to compute the result, and finally prints the output shown in the Sample Output above.

1. Declare the variables that hold the program’s data.
2. Read the input values that the program will work with.
3. Iterate over the data using a loop to apply the logic.
4. Use conditional statements to handle the different cases.
5. Print the final result to the console so you can compare it with the sample output.

Try changing the input values and re-running the program to see how the output changes — this is the fastest way to understand how the logic behaves.

Related Pages

Learn the concept first, then study the code:

• C++ Programs — Browse all C++ Programs.