Writing to a File using System.IO

Author : Pallavi Chand
Level : Beginner


In this article we will see how we can write data to a file from another file.

Code

using System;
using System.IO;
class AppendText
{
public static void Main(String[] args)
{
//Append the text from InputFile.txt to this file.
TextWriter outfile= File.AppendText("c:/CopytoFile.txt");
//Append text from this file to CopytoFile.txt.
TextReader infile = File.OpenText("c:/InFile.txt");
String Str;
while((Str = infile.ReadLine())!=null)
outfile.WriteLine(Str);
infile.Close();
outfile.Close();
}
}