Append to Existing File on FTP Server

Append a local file to an existing file on the FTP server.

Download 32-bit Chilkat FTP2 ActiveX (.msi)

Download All 32-bit Chilkat ActiveX Components (.zip)

Download All 64-bit Chilkat ActiveX Components (.zip)

uses
    Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
    Dialogs, StdCtrls,
    CHILKATFTP2Lib_TLB,
    OleCtrls;

...

procedure TForm1.Button1Click(Sender: TObject);
var
ftp: TChilkatFtp2;
success: Integer;
localFilename: String;
remoteFilename: String;

begin
ftp := TChilkatFtp2.Create(Self);

//  Any string unlocks the component for the 1st 30-days.
success := ftp.UnlockComponent('Anything for 30-day trial');
if (success <> 1) then
  begin
    ShowMessage(ftp.LastErrorText);
    Exit;
  end;

ftp.Hostname := 'www.example-code.com';
ftp.Username := 'myLogin';
ftp.Password := 'myPassword';

//  Connect and login to the FTP server.
success := ftp.Connect();
if (success <> 1) then
  begin
    ShowMessage(ftp.LastErrorText);
    Exit;
  end;

//  Change to the remote directory where the existing file is located.
success := ftp.ChangeRemoteDir('junk');
if (success <> 1) then
  begin
    ShowMessage(ftp.LastErrorText);
    Exit;
  end;

//  Append moreHamlet.txt to hamlet.txt on the FTP server.
localFilename := 'moreHamlet.txt';
remoteFilename := 'hamlet.txt';

success := ftp.AppendFile(localFilename,remoteFilename);
if (success <> 1) then
  begin
    ShowMessage(ftp.LastErrorText);
    Exit;
  end;

ftp.Disconnect();

ShowMessage('File Appended!');
end;