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## tell-me-how-many
### Instructions
Your very favorite person's birthday is coming soon. So you've decided to
organise a very special party 🥳🪅🎤
Invitations has been sent for a while...
Good news: answers are back! Psst: Sorry buddy, we didn't count it, you've been
too generous. But we saved every one of them as a file in a special directory for
you. Have fun!
Create a `tell-me-how-many.mjs` script that:
- Take a relative or absolute directory path as argument from the command line.
- Read this directory path.
- Get the number of entries in this directory.
- Print the result in console.
If there is no argument passed, the script must execute itself in the current
directory
### Notions
- [Node file system: `readdir`](https://nodejs.org/api/fs.html#fs_fspromises_readdir_path_options)
### Provided files
Download [`guests.zip`](../guests.zip)
to have at your disposal the `guests` directory containing the files to count in
your script. You must save it in your `tell-me-how-many` exercise directory to test
your script on it.