nodejs/examples — reverse-engineered prompt

I want a small Node.js examples repo that feels like a real starter collection, not just hello world. Please organize it by type of example, like command line tools, servers, utilities, and anything else that makes sense from the folders that are already here, and make sure each example is actually runnable.

At minimum, I want the command line example that takes a directory path and tells me how many entries are inside it, with clear usage instructions. For every example, include a short README that explains what it does, how to run it, and what I should expect to see. Please also add tests and make sure they pass.

This repo says it is an archive and may be out of date, so refresh anything that needs it and use current Node.js best practices where reasonable. Keep it simple and practical, like something a person could browse to learn by running real examples. If you need to, look up current docs online and fill in any missing pieces.