I can only imagine the learning opportunities just from comparing their results with the real grep. The original being built on an 8-bit 32kb RAM nothing little

I can only imagine the learning opportunities just from comparing their results with the real grep. The original being built on an 8-bit 32kb RAM nothing little environment is not something many people are naturally inclined to optimize for anymore. And for people to even implement any kind of non-trivial spec, in this case presented as another working application, I imagine every result was different, and incompatible.