(Delphi ActiveX) SCP Download Files Matching a Pattern, such as *.txt

Demonstrates how to SCP download files matching a pattern, such as *.txt.

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
ssh: TChilkatSsh;
hostname: WideString;
port: Integer;
success: Integer;
scp: TChilkatScp;
remoteDir: WideString;
localDir: WideString;
mode: Integer;
bRecurse: Integer;

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

ssh := TChilkatSsh.Create(Self);

// Connect to an SSH server:
hostname := 'MY-SSH-SERVER-DOMAIN-OR-IP';
port := 22;

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

// Wait a max of 5 seconds when reading responses..
ssh.IdleTimeoutMs := 5000;

// Authenticate using login/password:
success := ssh.AuthenticatePw('MY-SSH-LOGIN','MY-SSH-PASSWORD');
if (success <> 1) then
  begin
    Memo1.Lines.Add(ssh.LastErrorText);
    Exit;
  end;

// Once the SSH object is connected and authenticated, use it
// in the SCP object.
scp := TChilkatScp.Create(Self);

success := scp.UseSsh(ssh.ControlInterface);
if (success <> 1) then
  begin
    Memo1.Lines.Add(scp.LastErrorText);
    Exit;
  end;

scp.HeartbeatMs := 200;

// Set the SyncMustMatch property to "*.pem" to download only .pem files
scp.SyncMustMatch := '*.pem';

remoteDir := 'qa_syncA';
localDir := 'c:/aaworkarea/scp/qa_syncA';

// Download synchronization modes:
// mode=0: Download all files
// mode=1: Download all files that do not exist on the local filesystem.
// mode=2: Download newer or non-existant files.
// mode=3: Download only newer files.  
//         If a file does not already exist on the local filesystem, it is not downloaded from the server.
// mode=5: Download only missing files or files with size differences.
// mode=6: Same as mode 5, but also download newer files.
mode := 0;

// Do not recurse the remote directory tree.  Only download files matching *.pem
// from the given remote directory.
bRecurse := 0;

success := scp.SyncTreeDownload(remoteDir,localDir,mode,bRecurse);
if (success <> 1) then
  begin
    Memo1.Lines.Add(scp.LastErrorText);
    Exit;
  end;

Memo1.Lines.Add('SCP download matching success.');

// Disconnect
ssh.Disconnect();
end;