如何将文件从一个ftp移动到另一个

Question

I need to move files from one ftp to another (currently using ftpwebrequest) both requiring authentication and have different settings (timeout, ascii, active etc). Is downloading files from one to a local server and then uploading to the other significant slower than just copying the files (if that exists even, how would you do it, renameto?). It feels like it should be faster but I'm not sure, I have no understanding of file copying or downloading.

they are all .txt or .csv and mostly around 3-10 mb each so quite a bit of data

Answer 1

You can copy a file from FTP-Server A to FTP-Server B using FXP . Both servers and the client have to support that feature.

Answer 2

Some time we need to download, upload file from FTP server. Here is some good example for FTP operation in C#. You can use this. It will help you to make a C# program to full fill your requirements.

File Download from FTP Server

public void DownloadFile(stringHostURL, string UserName, string Password, stringSourceDirectory, string FileName, string LocalDirectory)
        {
            if(!File.Exists(LocalDirectory + FileName))
            {
                try
                {
                    FtpWebRequestrequestFileDownload = (FtpWebRequest)WebRequest.Create(HostURL + “/” + SourceDirectory + “/” + FileName);
                    requestFileDownload.Credentials = new NetworkCredential(UserName, Password);
                    requestFileDownload.Method = WebRequestMethods.Ftp.DownloadFile;
                    FtpWebResponseresponseFileDownload = (FtpWebResponse)requestFileDownload.GetResponse();
                    StreamresponseStream = responseFileDownload.GetResponseStream();
                    FileStreamwriteStream = new FileStream(LocalDirectory + FileName, FileMode.Create);
                    intLength = 2048;
                    Byte[] buffer = new Byte[Length];
                    intbytesRead = responseStream.Read(buffer, 0, Length);
                    while(bytesRead > 0)
                    {
                        writeStream.Write(buffer, 0, bytesRead);
                        bytesRead = responseStream.Read(buffer, 0, Length);
                    }
                    responseStream.Close();
                    writeStream.Close();
                    requestFileDownload = null;
                    responseFileDownload = null;
                }
                catch(Exception ex)
                {
                    throwex;
                }
            }
        }

Some Good Examples

Hope it will help you.