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C# program to read data from file character by character till the end of the file

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mahmoud2506
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2022-05-14
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C# program to read data from file character by character till the end of the file

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mahmoud2506
2022-05-14
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Program:

The source code to read data from file character by character until the end of the file is given below. The given program is compiled and executed successfully on Microsoft Visual Studio.

//C# program to read data from file 
//character by character till the end of the file.

using System;
using System.IO;
using System.Text;

class Demo
{
    static void Main()
    {
        Stream s = new FileStream(@"d:\data.txt", FileMode.Open);
        int val = 0;
        char ch;

        while (true)
        {
            val = s.ReadByte();

            if (val < 0)
                break;
            ch = (char)val;
            Console.Write(ch);
        }
        Console.WriteLine();
    }
}

Output:

This is a bag.
This is a bat.
This is a ball.
Press any key to continue . . .

Explanation:

Here, we created a class Demo that contains the Main() method. The Main() method is the entry point of the program, here we opened an already existing file (d:\data.txt) and then read the content of the file using ReadByte() method character by character till the end of the file, but ReadByte() method returns integer value then we need to typecast it into character type, and print data on the console screen.

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