SystemAppend (Delphi)

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Description

Click the button and select a file to append a string to the bottom of the file.

Code

procedure TForm1.Button1Click(Sender: TObject);
var
  f: TextFile;
begin
  if OpenDialog1.Execute then
  begin                    { open a text file }
    AssignFile(f, OpenDialog1.FileName);
    Append(f);
    Writeln(f, 'I am appending some stuff to the end of the file.'); 
    { Insert code here that would require a Flush before closing the file. }
    Flush(f);  { Ensures that the text was actually written to file. }
    CloseFile(f);
    MessageDlg(OpenDialog1.FileName + ' has been altered, please validate.', mtInformation, [mbOK], 0)
  end;
end;

Uses

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