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Delphi ActiveX Examples


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(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_v9_5_0_TLB;

...

procedure TForm1.Button1Click(Sender: TObject);
var
ssh: TChilkatSsh;
success: Integer;
hostname: WideString;
port: Integer;
scp: TChilkatScp;
remoteDir: WideString;
localDir: WideString;
mode: Integer;
bRecurse: Integer;

begin
ssh := TChilkatSsh.Create(Self);

//  Any string automatically begins a fully-functional 30-day trial.
success := ssh.UnlockComponent('30-day trial');
if (success <> 1) then
  begin
    Memo1.Lines.Add(ssh.LastErrorText);
    Exit;
  end;

//  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;

 

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