Automatic torrent download from glowgaze.com with transmission-remote (raspberry pi)

scrapper.sh

#!/bin/bash

#save HTML content to file.html
curl -o /tmp/file.html http://glowgaze.com/

#search by grep content in file.html
function get {
        arr=(`cat /tmp/file.html | grep -o -E '(goto-+([0-9]*-)('$1')(\w)*)'`)
        echo ${arr[0]}

        if grep -Fxq ${arr[0]}  /home/pi/downloaded.log
        then
                echo 'already downloaded'
        else
                echo ${arr[0]} >> /home/pi/downloaded.log
                
                #getting torrent web page
                curl --location "http://glowgaze.com/${arr[0]}" -o /tmp/file2.html
                
                #searching magnet link
                arr=(`cat /tmp/file2.html | grep -o -E '(magnet:+\?(\w(=?:?&?;?\+?%?\.?))*)'`)
                if [[ ${arr[0]} =~ magnet ]]; then
                        transmission-remote -n transuser:transpass -a ${arr[0]/amp;/}
                fi
        fi
}

get "The-Walking-Dead-"
get "Homeland-"
get "Hostages-"