can-i-register-to-vaccinate.sh

#!/bin/sh
if [ "$#" -ne 2 ]; then
  >&2 echo "Usage: $0 YEAR audio.mp3"
  exit 1
fi
if [ ! -f "$2" ]; then
  >&2 echo "$2 does not exist."
  exit 1
fi
command -v curl >/dev/null 2>&1 || { echo >&2 "Please install 'curl' first: $ sudo apt install curl."; exit 1; }
command -v jq >/dev/null 2>&1 || { echo >&2 "Please install 'jq' first: $ sudo apt install jq."; exit 1; }
command -v ffplay >/dev/null 2>&1 || { echo >&2 "Please install 'ffmpeg' first: $ sudo apt install ffmpeg."; exit 1; }
while true; do
  SUCCESS="$(curl "https://user-api.coronatest.nl/vaccinatie/programma/bepaalbaar/$1/NEE/NEE" -sSfA '' --compressed | jq '.success' -cre)"
  if [ "$SUCCESS" = "true" ]; then
    ffplay "$2" && break
  else
    echo "$(date -Iseconds): $SUCCESS" && sleep 60
  fi
done

Nice one 👍—I just wrote a node script running in a serverless fn to email me 😂