Delphi ActiveX

Sync a Single FTP Directory Down to Local

Demonstrates the Chilkat Ftp2.SyncLocalDir method, which synchronizes files from the current remote directory into a local directory without descending into subdirectories. The first argument is the local root and the second is the download mode.

Note: The local paths are relative to the application's current working directory. Absolute paths may also be used. Supply the paths appropriate to your own environment.

Background: This is the single-directory form of SyncLocalTree, using the same mode numbers but touching only the top level. It is the right choice when subdirectories are irrelevant or handled separately — for instance pulling new files from one drop folder without recursing into archive subfolders that would waste time to scan.

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var
success: Integer;
ftp: TChilkatFtp2;
mode: Integer;

begin
success := 0;

//  Demonstrates the Ftp2.SyncLocalDir method, which synchronizes files from the current remote
//  directory into a local directory WITHOUT descending into subdirectories.  The 1st argument is
//  the local root and the 2nd is the download mode.

ftp := TChilkatFtp2.Create(Self);

ftp.Hostname := 'ftp.example.com';
ftp.Username := 'myFtpLogin';

//  Normally you would not hard-code the password in source.  You should instead obtain it
//  from an interactive prompt, environment variable, or a secrets vault.
ftp.Password := 'myPassword';

success := ftp.Connect();
if (success = 0) then
  begin
    Memo1.Lines.Add(ftp.LastErrorText);
    Exit;
  end;

success := ftp.ChangeRemoteDir('public_html');
if (success = 0) then
  begin
    Memo1.Lines.Add(ftp.LastErrorText);
    Exit;
  end;

//  This is the single-directory (non-recursive) form of SyncLocalTree; it uses the same modes.
//    0 = all selected files
//    1 = files missing locally
//    2 = missing locally, or newer on the server
//    3 = only files that exist locally and are newer on the server
//    5 = missing locally, or a different size
//    6 = missing, different size, or newer on the server
//   99 = do not download; delete local... (see docs)

mode := 2;
success := ftp.SyncLocalDir('qa_output/site',mode);
if (success = 0) then
  begin
    Memo1.Lines.Add(ftp.LastErrorText);
    Exit;
  end;
Memo1.Lines.Add('Remote directory synced to local (top level only).');

success := ftp.Disconnect();
if (success = 0) then
  begin
    Memo1.Lines.Add(ftp.LastErrorText);
    Exit;
  end;