unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls;

type
  TForm1 = class(TForm)
    Memo1: TMemo;
    Button1: TButton;
    Button2: TButton;
    OpenDialog1: TOpenDialog;
    Label1: TLabel;
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

var
  F:Textfile;
  wordcount:integer;
  S:string;

procedure Counter(S:string;wordcount:integer);
var wobe,i:integer;
 begin
   wobe:=0;
   For i:=1 to Length(S) do
    begin
     If ((wobe=0) and (S[i]<>' '))
      then
       begin
        Inc(wordcount);
        wobe:=1;
       end
      else
       begin
        If ((wobe=1) and (S[i]=' ')) then wobe:=0;
       end;
    end;
 end;

procedure TForm1.Button1Click(Sender: TObject);
begin
if OpenDialog1.Execute then
Memo1.Lines.LoadFromFile(OpenDialog1.FileName);
end;

procedure TForm1.Button2Click(Sender: TObject);
var j:integer;
begin
wordcount:=0;
for j:=1 to Memo1.Lines.Count do
 begin
  S:=Memo1.Lines[j];
  Counter(S,wordcount);
 end;
 Label1.Caption:=IntToStr(wordcount);
end;

end.