Pascal (Lazarus/Delphi)

Change the Remote Directory (CWD)

Demonstrates the Chilkat Ftp2.ChangeRemoteDir method, which changes the current working directory on the FTP server. The only argument is the remote directory path.

Background: This sends a single CWD with the path exactly as given; Chilkat does not split a multi-level path into one CWD per segment, so whether a/b/c works in one call depends on the server. A relative path moves from the current directory, while an absolute path (leading /) is resolved from the root according to the server's conventions. Confirm the result with GetCurrentRemoteDir when it matters.

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Pascal (Lazarus/Delphi)

program ChilkatDemo;

// Demonstrates using the Chilkat Pascal wrapper via the C bridge DLL.
// Builds as a console application under Lazarus (FPC) or Delphi.

{$IFDEF FPC}
  {$MODE DELPHI}
{$ENDIF}
{$APPTYPE CONSOLE}

uses
  {$IFDEF UNIX}
  cthreads,
  {$ENDIF}
  SysUtils,
  CkDllLoader,
  Chilkat.Ftp2;

// ---------------------------------------------------------------------------

procedure RunDemo;
var
  success: Boolean;
  ftp: TFtp2;
  currentDir: string;

begin
  success := False;

  //  Demonstrates the Ftp2.ChangeRemoteDir method, which changes the current working directory on
  //  the FTP server.  The only argument is the remote directory path.

  ftp := TFtp2.Create;

  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';

  //  Connect and log in (Connect performs both).
  success := ftp.Connect();
  if (success = False) then
    begin
      WriteLn(ftp.LastErrorText);
      Exit;
    end;

  //  A relative path is resolved from the current remote directory; an absolute path (beginning
  //  with "/") is interpreted according to the server's path syntax.
  success := ftp.ChangeRemoteDir('public_html/images');
  if (success = False) then
    begin
      WriteLn(ftp.LastErrorText);
      Exit;
    end;

  currentDir := ftp.GetCurrentRemoteDir();
  if (ftp.LastMethodSuccess = False) then
    begin
      WriteLn(ftp.LastErrorText);
      Exit;
    end;
  WriteLn('Now in: ' + currentDir);

  success := ftp.Disconnect();
  if (success = False) then
    begin
      WriteLn(ftp.LastErrorText);
      Exit;
    end;


  ftp.Free;

end;

// ---------------------------------------------------------------------------

begin

  try
    RunDemo;
  except
    on E: Exception do
      WriteLn('Unhandled exception: ', E.ClassName, ': ', E.Message);
  end;

  WriteLn;
  {$IFDEF MSWINDOWS}
  WriteLn('Press Enter to exit...');
  ReadLn;
  {$ENDIF}
end.