How to: Download Files with FTP

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This sample shows how to download a file from an FTP server.

Example

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

namespace Examples.System.Net
{
    public class WebRequestGetExample
    {
        public static void Main ()
        {
            // Get the object used to communicate with the server.
            FtpWebRequest request = (FtpWebRequest)WebRequest.Create("ftp://www.contoso.com/test.htm");
            request.Method = WebRequestMethods.Ftp.DownloadFile;

            // This example assumes the FTP site uses anonymous logon.
            request.Credentials = new NetworkCredential ("anonymous","janeDoe@contoso.com");

            FtpWebResponse response = (FtpWebResponse)request.GetResponse();
    
            Stream responseStream = response.GetResponseStream();
            StreamReader reader = new StreamReader(responseStream);
            Console.WriteLine(reader.ReadToEnd());

            Console.WriteLine("Download Complete, status {0}", response.StatusDescription);
    
            reader.Close();
            response.Close();  
        }
    }
}

Compiling the Code

This example requires:

References to the System.Net namespace.

Community Content

Jung Kyu Lee

윈폼에서 접근할땐 안나던게 콘솔에서 접근하니까 권한없다고 나오면??

어떻게 처리해야합니꺄?~

gibbie99

Write to file

This should work:

StreamWriter writer = new StreamWriter("H:\temp.txt");
writer.Write(reader.ReadToEnd());

smannojkumar

Where the downloaded files will be saved

Where the downloaded files will be saved, when we use this download code

Thomas Lee

Sample using PowerShell

<#
.SYNOPSIS
    This script used FTP to get and display a text file.
.DESCRIPTION
    This script re-implements an MSDN Sample
.NOTESW
    File Name  : Get-FtpFile.ps1
    Author     : Thomas Lee - tfl@psp.co.uk
    Requires   : PowerShell Version 2.0
.LINK
    This script posted to:
        http://pshscripts.blogspot.com/2010/09/get-ftpfileps1.html
    MSDN sample posted tot:
        http://msdn.microsoft.com/en-us/library/ms229711.aspx  
.EXAMPLE
    PSH [C:\foo]: .\Get-FtpFile.ps1'
    This is Hello.Txt from www.reskit.net
    Have a great day!

    Download Complete, status:
    226-Maximum disk quota limited to 100000 Kbytes
        Used disk quota 78232 Kbytes, available 21767 Kbytes
    226 Transfer complete.    
#>
# Get the object used to communicate with the server.
$Request = [System.Net.WebRequest]::Create( "ftp://www.reskit.net/hello.txt");
$Method =  [System.Net.WebRequestMethods+Ftp]::DownloadFile

# This example assumes the FTP site uses anonymous logon.
# Username/password not real
$Request.Credentials = New-Object System.Net.NetworkCredential "UserName","Password"
$Response = $Request.GetResponse()
$ResponseStream = $Response.GetResponseStream()

# Read and display the text in the file
$Reader = new-object System.Io.StreamReader $Responsestream
[System.Console]::Writeline($Reader.ReadToEnd())

# Display Status
"Download Complete, status:"
$response.StatusDescription 

# Close Reader and Response objects
$Reader.Close()
$Response.Close()

Thomas Lee

The C# sample does not work with binary files

The C# Sample shown here only works with text files. Files that are binary (e.g. ZIP files) will not work with this sample.

SPDowner

VB Example

Imports System.IO
Imports System.Net
Imports System.Text
Namespace Examples.System.Net
    Public Class WebRequestGetExample
        Public Shared Sub Main()
            ' Get the object used to communicate with the server.
            Dim request As FtpWebRequest = DirectCast(WebRequest.Create("ftp://www.example.com/"), FtpWebRequest)
            request.Method = WebRequestMethods.Ftp.DownloadFile
            ' This example assumes the FTP site uses anonymous logon.
            request.Credentials = New NetworkCredential("anonymous", "example@example.com")
            Dim response As FtpWebResponse = DirectCast(request.GetResponse(), FtpWebResponse)
            Dim responseStream As Stream = response.GetResponseStream()
            Dim reader As New StreamReader(responseStream)
            Console.WriteLine(reader.ReadToEnd())
            Console.WriteLine("Download Complete, status {0}", response.StatusDescription)
            reader.Close()
            response.Close()
        End Sub
    End Class
End Namespace