C# program to perform text operations in a file

If you are a c# beginner or want to start learning the c# programming language, then this program will help you to understand the basics of c# programming. In this program, we are going to share C# Program to perform text operations in a file with the output.

Copy the below c# program and execute it in your Microsoft Visual Studio IDE (Integrated Development Environment ). At the end of this program, I have shared the output of the program.

using System;
using System.IO;

class Program
{
    static void Main()
    {
        FileInfo finfo = new FileInfo("C:\\users\\test-file.txt");
        using (StreamWriter writer = finfo.AppendText())
        {
            writer.WriteLine("New File with various Text operations");
        }
        finfo = new FileInfo("C:\\users\\test-file.txt");
        using (StreamWriter writer = finfo.CreateText())
        {
            writer.WriteLine("Here is the new file with 
            various Text operations.");
        }
        using (StreamReader reader = finfo.OpenText())
        {
            Console.WriteLine(reader.ReadToEnd());
        }
        Console.Read();
    }
}

using System;

using System.IO;

class Program

{

static void Main()

{

FileInfo finfo = new FileInfo("C:\\users\\test-file.txt");

using (StreamWriter writer = finfo.AppendText())

{

writer.WriteLine("New File with various Text operations");

}

finfo = new FileInfo("C:\\users\\test-file.txt");

using (StreamWriter writer = finfo.CreateText())

{

writer.WriteLine("Here is the new file with

various Text operations.");

}

using (StreamReader reader = finfo.OpenText())

{

Console.WriteLine(reader.ReadToEnd());

}

Console.Read();

}

Output:

Here is the new file with various Text operations.

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C# program to perform text operations in a file

Output:

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