(Delphi ActiveX) SFTP Write Text File

Demonstrates how to create a new text file on the remote SSH server, append text by calling WriteFileText one or more times, and then close the file.

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
sftp: TChilkatSFtp;
hostname: WideString;
port: Integer;
success: Integer;
handle: WideString;

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

sftp := TChilkatSFtp.Create(Self);

// Set some timeouts, in milliseconds:
sftp.ConnectTimeoutMs := 5000;
sftp.IdleTimeoutMs := 15000;

// Connect to the SSH server.  
// The standard SSH port = 22
// The hostname may be a hostname or IP address.
hostname := 'sftp.example.com';
port := 22;
success := sftp.Connect(hostname,port);
if (success <> 1) then
  begin
    Memo1.Lines.Add(sftp.LastErrorText);
    Exit;
  end;

// Authenticate with the SSH server.  Chilkat SFTP supports
// both password-based authenication as well as public-key
// authentication.  This example uses password authenication.
success := sftp.AuthenticatePw('myLogin','myPassword');
if (success <> 1) then
  begin
    Memo1.Lines.Add(sftp.LastErrorText);
    Exit;
  end;

// After authenticating, the SFTP subsystem must be initialized:
success := sftp.InitializeSftp();
if (success <> 1) then
  begin
    Memo1.Lines.Add(sftp.LastErrorText);
    Exit;
  end;

// Open a file on the server for writing.
// "createTruncate" means that a new file is created; if the file already exists, it is opened and truncated. 
handle := sftp.OpenFile('myTest.txt','writeOnly','createTruncate');
if (sftp.LastMethodSuccess <> 1) then
  begin
    Memo1.Lines.Add(sftp.LastErrorText);
    Exit;
  end;

// Write some text to the file:
success := sftp.WriteFileText(handle,'ansi','abcdefghijklmnopqrstuvwxyz');
if (success <> 1) then
  begin
    Memo1.Lines.Add(sftp.LastErrorText);
    Exit;
  end;

success := sftp.WriteFileText(handle,'ansi','1234567890');
if (success <> 1) then
  begin
    Memo1.Lines.Add(sftp.LastErrorText);
    Exit;
  end;

success := sftp.WriteFileText(handle,'ansi','ABCDEFGHIJKLMNOPQRSTUVWXYZ');
if (success <> 1) then
  begin
    Memo1.Lines.Add(sftp.LastErrorText);
    Exit;
  end;

// Close the file.
success := sftp.CloseHandle(handle);
if (success <> 1) then
  begin
    Memo1.Lines.Add(sftp.LastErrorText);
    Exit;
  end;

Memo1.Lines.Add('Success.');
end;