(Delphi ActiveX) FTP Iterate over Files in Directory Matching ListPattern

See more RSA Examples

Uses the ListPattern property to iterate over the files in a directory matching the pattern.

Chilkat for Delphi Downloads Chilkat ActiveX DLL for Delphi Chilkat non-ActiveX DLL for Delphi * The examples here use the ActiveX DLL.

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Chilkat_TLB;

...

procedure TForm1.Button1Click(Sender: TObject);
var
ftp: TChilkatFtp2;
success: Integer;
n: Integer;
i: Integer;
filename: WideString;
sbLocalPath: TChilkatStringBuilder;

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

ftp := TChilkatFtp2.Create(Self);

ftp.Hostname := 'ftp.example.com';
ftp.Username := 'my_login';
ftp.Password := 'my_password';
ftp.Port := 21;
ftp.AuthTls := 1;

success := ftp.Connect();
if (success <> 1) then
  begin
    Memo1.Lines.Add(ftp.LastErrorText);
    Exit;
  end;

// Change to the "images" sub-directory located under our FTP account's home directory.
success := ftp.ChangeRemoteDir('images');
if (success <> 1) then
  begin
    Memo1.Lines.Add(ftp.LastErrorText);
    Exit;
  end;

ftp.ListPattern := '*.png';

// Fetch the current remote directory contents by calling GetDirCount
n := ftp.GetDirCount();
if (n < 0) then
  begin
    Memo1.Lines.Add(ftp.LastErrorText);
    Exit;
  end;

i := 0;

sbLocalPath := TChilkatStringBuilder.Create(Self);

while i < n do
  begin
    filename := ftp.GetFilename(i);
    Memo1.Lines.Add(filename);

    // Download this file.
    sbLocalPath.SetString('qa_output/');
    sbLocalPath.Append(filename);
    success := ftp.GetFile(filename,sbLocalPath.GetAsString());
    if (success <> 1) then
      begin
        Memo1.Lines.Add(ftp.LastErrorText);
        Exit;
      end;

    i := i + 1;
  end;
end;