var
  f1, f2: file;
  xfer: Word;
  buf: PChar;
begin
  AssignFile(f1, name1);
  Reset(f1);
  Seek(f1, Filesize(f1));
  AssignFile(f2, name2);
  Reset(f2);
  GetMem(buf, 65000);
  repeat
    BlockRead(f1, buf^, 65000, xfer);
    BlockWrite(f2, buf^, xfer);
  until
    xfer < 65000;
  CloseFile(f1);
  CloseFile(f2);
end;