(.NET Core C#) Append to Existing File on FTP Server

Uploads a file to the FTP server. If the remote file (on the FTP server) does not already exist, it is created. Otherwise the uploaded file is appended to the remote file.

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// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

Chilkat.Ftp2 ftp = new Chilkat.Ftp2();

ftp.Hostname = "ftp.myftpserver.com";
ftp.Username = "myUsername";
ftp.Password = "myPassword";

// Connect to the FTP server.
bool success = ftp.ConnectOnly();
if (success != true) {
    Debug.WriteLine(ftp.LastErrorText);
    return;
}

// Authenticate with the FTP server.
success = ftp.LoginAfterConnectOnly();
if (success != true) {
    Debug.WriteLine(ftp.LastErrorText);
    return;
}

string localFilePath = "/someDirectory/hamlet.xml";
string remoteFilename = "hamlet.xml";

// Upload to the FTP server, creating the file if it does not yet exist
// on the FTP server, or appending to the remote file if it already exists.
success = ftp.AppendFile(localFilePath,remoteFilename);
if (success != true) {
    Debug.WriteLine(ftp.LastErrorText);
    return;
}

ftp.Disconnect();

Debug.WriteLine("Success.");