address="https://api.vk.com/method/photos.get?owner_id=1&album_id=profile&extended=1&v=5.52"
curl $address > prevfile
let count=$(jq < prevfile ".response | .count")-1
for i in $(seq 0 $count); do
    link=$(jq < prevfile ".response | .items | .[$i] | .photo_604")
    likes=$(jq < prevfile ".response | .items | .[$i] | .likes | .count")
    echo ${link:1:-1} $likes
done

while true
do
    curl $address > tmpfile
    let count=$(jq < tmpfile ".response | .count")-1
    for i in $(seq 0 $count); do
        prevlink=$(jq < prevfile ".response | .items | .[$i] | .photo_604")
        prevlikes=$(jq < prevfile ".response | .items | .[$i] | .likes | .count")
        link=$(jq < tmpfile ".response | .items | .[$i] | .photo_604")
        likes=$(jq < tmpfile ".response | .items | .[$i] | .likes | .count")
        if (( prevlikes != likes )); then
            echo "AHTUNG"
            echo ${link:1:-1} $(expr $likes - $prevlikes)
        fi
    done
    sleep 600
    mv tmpfile prevfile
done