var All, f1, f2, f3: TStringList;
     i: integer;
begin

 All := TStringList.Create;
 f1 := TStringList.Create;
 f2 := TStringList.Create;
 f3 := TStringList.Create;
 All.LoadFromFile(OpenDialog1.FileName);
 for i := 0 to All.Count - 1 do
  begin
  if CheckBox1.Checked then
  begin
    if Pos(Edit1.Text, All.Strings[i]) > 0 then f1.Add(All.Strings[i]);
  end;
    if CheckBox2.Checked then
    begin
    if Pos(Edit2.Text, All.Strings[i]) > 0 then f2.Add(All.Strings[i]);
    end;
      if CheckBox3.Checked then
      begin
    if Pos(Edit3.Text, All.Strings[i]) > 0 then f3.Add(All.Strings[i]);
      end;
  end;
 All.Free;
 if CheckBox1.Checked then
 begin
 f1.SaveToFile('Organization.txt');
 end;
 if CheckBox2.Checked then
 begin
 f2.SaveToFile('Working.txt');
 end;
 if CheckBox3.Checked then
 begin
 f3.SaveToFile('Types.txt');
 end;
 f1.Free;
 f2.Free;
 f3.Free;
end;