unit Unit1;
interfaceuses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls;type
  TForm1 = class(TForm)
    Edit1: TEdit;
    Button1: TButton;
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;var
  Form1: TForm1;implementation{$R *.dfm}procedure TForm1.Button1Click(Sender: TObject);
var
pwdfile:textfile;
pwdstr:string;
begin
pwdstr:='123';
assignfile(pwdfile,'d:\works\data\123.txt');
rewrite(pwdfile);
writeln(pwdfile,pwdstr);
end;end.