swap.sh

if [[ ! -f /swapfile ]]; then
    echo "Building swapfile..."
    sudo dd if=/dev/zero of=/swapfile bs=128M count=$1
    sudo mkswap /swapfile
    sudo swapon /swapfile

    # Mount on reboot
    if [[ -z "$(cat /etc/fstab | grep swapfile)" ]]; then
        echo "/swapfile none swap sw 0 0" | sudo tee -a /etc/fstab > /dev/null 2>&1
    fi
fi