Another scheme: chop it up into files of increasing length, the difference being 1..256, encoding a byte (ignore the last difference).
EDIT more efficient to increase in length by 1 or 2, encoding a bit.
Another scheme: chop it up into files of increasing length, the difference being 1..256, encoding a byte (ignore the last difference).
EDIT more efficient to increase in length by 1 or 2, encoding a bit.