Price checker for PBTech

pbtech.sh

#!/bin/bash

CURRENT_PRICE=$(curl -k https://www.pbtech.com/au/product/DVBVER1863710/Verbatim-97284-Blu-Ray-BD-R-DL-50GB-25Pk-Spindle-W | grep '"price":' | sed 's|<script type="application/ld+json">||' | sed 's|</script>||' | jq '.[] | select(.offers) | .offers[].price')

LAST_KNOWN_PRICE=$(cat /home/$USER/pbtech.txt)

if [ "$CURRENT_PRICE" = "$LAST_KNOWN_PRICE" ];
then
  :
else
  echo $CURRENT_PRICE > /home/$USER/pbtech.txt
  curl -s \
    --form-string "token=<REDACTED>" \
    --form-string "user=<REDACTED>" \
    --form-string "message=$(date -u): Price for BluRay 50GB in PBTech is A$ $CURRENT_PRICE" \
  https://api.pushover.net/1/messages.json
fi