check-changes-website.sh (807B) - raw

      1 #!/bin/sh
      2 # 2020 Oscar Benedito <oscar@oscarbenedito.com>
      3 # License: CC0 1.0 Universal License
      4 
      5 # Script that notifies through Gotify when a website has changed.
      6 
      7 # This scripts assumes there is an executable called "notify" in your PATH that
      8 # takes two arguments (the first one is the notification title and the second
      9 # one is the message).
     10 
     11 URLS="${XDG_CONFIG_HOME:-$HOME/.config}/osf/urls-check-changes.txt"
     12 
     13 [ ! -f "$URLS" ] && echo "Error: $URLS is not a file." && exit 1
     14 
     15 check_and_notify() {
     16   newhash="$(curl "$1" 2>/dev/null | sha256sum | cut -f 1 -d " ")"
     17   [ "$2" != "$newhash" ] && notify "$3" "$1"
     18 }
     19 
     20 while read -r url hash title
     21 do
     22   check_and_notify "$url" "$hash" "$title"
     23 done < "$URLS"
     24 
     25 # Can also be used by calling check_and_notify directly. Example:
     26 # check_and_notify url hash title