Kód: Vybrať všetko

procedure TForm1.Button1Click(Sender: TObject);
begin
    assignFile(vst,'ziaci.txt');
  assignFile(vyst,'zdravi.txt');
  reset(vst);
  rewrite(vyst);
 while not eof(vst) do begin
   readln(vst,meno,vyska,vaha);
   bmi:=vaha/(vyska*vyska);
   Memo1.Lines.Add(meno+' '+FloatTOStr(bmi));
  end;
  writeln(vyst,meno,vyska,vaha);
  closefile(vst);
  closefile(vyst);
end;

Kód: Vybrať všetko

.
.
.
{$I-} 
readln(vst,meno,vyska,vaha);
{$I+}
showMessage(meno + floatToStr(vyska) + intToStr(vaha) );
.
.
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Kód: Vybrať všetko

unit Unit1;

{$mode objfpc}{$H+}

interface

uses
  Classes, SysUtils, FileUtil, Forms, Controls, Graphics, Dialogs, StdCtrls;

type

  { TForm1 }

  TForm1 = class(TForm)
    Button1: TButton;
    Button2: TButton;
    Memo1: TMemo;
    procedure Button1Click(Sender: TObject);
    procedure FormCreate(Sender: TObject);
  private
    { private declarations }
  public
    { public declarations }
  end;

var vyst,vst:Textfile;
  vyska,bmi:Real;
  vaha:Integer;
  Form1: TForm1;
  meno:String;

implementation

{$R *.lfm}

{ TForm1 }

procedure TForm1.FormCreate(Sender: TObject);
begin

end;

procedure TForm1.Button1Click(Sender: TObject);
begin
    assignFile(vst,'ziaci.txt');
  assignFile(vyst,'zdravi.txt');
  reset(vst);
  rewrite(vyst);
 while not eof(vst) do begin
   readln(vst,meno,vyska,vaha);
   bmi:=vaha/(vyska*vyska);
   Memo1.Lines.Add(meno+' '+FloatTOStr(bmi));
  end;
  writeln(vyst,meno,vyska,vaha);
  closefile(vst);
  closefile(vyst);
end;

end.