how-to

• Dynamic variable naming.
• Internal variables.
• Turn the non-functions into functions.
  • This is so tests can be written.
  • It also shows a working use case for the task.
• Add a CONTRIBUTING.md.
• Look into side effects of using shopt and set.
• /dev/tcp
• Convert to pdf
  • Add a cover.
  • Add references.
• Write some

Highly likely, it should work out of the box and should only be covered in tests and docs.

• a sample test
• a doc article

The finished project does not work on my machine (Debian 10). After entering mix phx.server I was prompted to install rebar3, which I did. Entering mix phx.server gets me this error:

function :crypto.hmac/3 is undefined or private