C# File Replace(String, String, String)

Description

File Replace(String, String, String) Replaces the contents of a specified file with the contents of another file, deleting the original file, and creating a backup of the replaced file.

Syntax

File.Replace(String, String, String) has the following syntax.

public static void Replace(
  string sourceFileName,//from w  w  w . jav a2  s. com
  string destinationFileName,
  string destinationBackupFileName
)

Parameters

File.Replace(String, String, String) has the following parameters.

• sourceFileName - The name of a file that replaces the file specified by destinationFileName.
• destinationFileName - The name of the file being replaced.
• destinationBackupFileName - The name of the backup file.

Returns

File.Replace(String, String, String) method returns

Example

The following code example uses the Replace method to replace a file.

using System;/*  w  ww .  j  a  v a  2 s .co m*/
using System.IO;

class FileExample
{
    public static void Main()
    {
        string OriginalFile = "test.xml";
        string FileToReplace = "test2.xml";
        string BackUpOfFileToReplace = "test2.xml.bac";

        File.Replace(OriginalFile, FileToReplace, BackUpOfFileToReplace);

    }
}