Get StreamWriter in C#

DriveInfo , DirectoryInfo , FileInfo, StreamReader , StreamWriter

StreamWriter in FileInfo

• To write / read the content to / write the file, you require file streams.
• A file stream acts as a pointer for the file, which contains the memory address of the file on the disc.

There are two types of file streams.

1)  Reading Streams

2)  Writing Streams

API: System.IO.StreamWriter (to write the content into the file)

Writing content to the file

Import the API

using System.IO;

Create the stream writer object

StreamWriter sw = new StreamWriter(file name);

Write the content

sw.Write(content here);

Close the Writer

sw.Close();

Program for StreamWriter                                                                

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.IO;

namespace FileWriteDemo

{

class Program

{

static void Main(string[] args)

{

string filepath;

Console.WriteLine("Enter the file path:");

filepath = Console.ReadLine();

FileInfo fobj = new FileInfo(filepath);

if (!fobj.Exists)

{

string content;

Console.WriteLine("\nEnter content to write:");

content = Console.ReadLine();

StreamWriter sw = new StreamWriter(filepath);

sw.Write(content);

sw.Close();

Console.WriteLine("\nWritten successfully!");

}

else

Console.WriteLine("File already exists."); 

Console.Read();

}

}

}

DriveInfo , DirectoryInfo , FileInfo, StreamReader , StreamWriter