MakeMkvKey

#!/bin/sh
#
# Script to get the current beta key of MakeMKV

# get the line containing the current key
line="$(curl -s "https://forum.makemkv.com/forum/viewtopic.php?f=5&t=1053" | grep "The")"

# save the current key in "current"
current="$(echo $line | awk '{sub(/.*<code>/,"");sub(/<.*/,"");print }')"

# save the old key in "old"
old="$(awk '/app_Key/ {gsub(/"/,"");print $3}' $HOME/.MakeMKV/settings.conf)"

# compare "old" and "current"
if [ "$old" = "$current" ]; then
    echo 'The current key is up to date.'
else
    #print out old and new key, ask if you want to replace it
    echo 'old key: ' $old
    echo 'new key: ' $current

    read -r -p "Do you want to replace the old key? [Y/n] " input
    case $input in
        [yY][eE][sS]|[yY])

        # replace the old key in setting.conf with the current one
        awk -v key="$current" '/#/,/app_Java/ ;/app_Key/ {sub(/".*/,"\042" key "\042");print $0}; /app_Proxy/,/speed/' $HOME/.MakeMKV/settings.conf > $HOME/.MakeMKV/temp.conf
        mv  $HOME/.MakeMKV/temp.conf $HOME/.MakeMKV/settings.conf
    echo "Key replaced successfully!"

        # save the experation date in "date" and print it out
        date="$(echo $line | awk '{gsub(/[[:punct:]]/,"");print $20,$21}')"
        echo 'The new key expires on the end of' $date
    ;;
        [nN][oO]|[nN])
    echo "Key wasn't replaced"
    ;;
        *)
    echo "Invalid input..."
    exit 1
    ;;
    esac
fi