http://www.parool.nl/kunst-media/slim-bedacht-computerprogramma-scoort-kaartjes-op-ticketswap~a3816986/

## ticketswap.sh
#!/bin/bash
set -x
HOST=https://www.ticketswap.nl
FISSA="$1" # Example: /53148/de-beste-singer-songwriter-van-nederland

while :
do
  date
  URI=$(curl -s "$HOST$FISSA" \
    -H 'user-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/36.0.1985.125 Safari/537.36' \
    -H 'accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8' -H 'cache-control: max-age=0' \
    --compressed |
  grep -B 3 offerurl | grep Aangeboden -A 3 | grep offerurl | head -n 1 | awk -F\" '{print $2}')
  if [ ! $URI ]; then
    sleep 0
    continue
  fi
  say I can make you feel better
  URI="$(curl -s "https://www.ticketswap.nl$URI" \
    -H 'user-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/36.0.1985.125 Safari/537.36' \
    -H 'accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8' -H 'cache-control: max-age=0' \
    --compressed |
    grep /reserveren/ | head -n 1 | awk -F\" '{print $2}')"
  if [ $URI ]; then
    open "$HOST$URI"
  fi
  sleep 1
done