human_readable_size() {
    local bytes="$1"
    local sizes=("B" "KB" "MB" "GB" "TB" "PB" "EB" "ZB" "YB")

    local i=0
    while ((bytes > 1024)); do
        ((bytes /= 1024))
        ((i++))
    done

    printf "%d%s" "$bytes" "${sizes[i]}"
}

human_readable_size $1
echo ""