vivaldi_update.sh

#!/bin/bash

vivaldi_url=$(curl -s https://vivaldi.com/download/ | grep -oP '(https:\/\/[a-z0-9-.\/_]*_amd64.deb)')
vivaldi_filename=$(basename $vivaldi_url)
echo "current installed version: $(vivaldi --version)";
echo "available version: $vivaldi_filename";

read -p "Download the update? [y/N]" -n 1 -r;
echo
if [[ $REPLY =~ ^[Yy]$ ]]
then
	wget "$vivaldi_url" -O "$vivaldi_filename";
	read -p "Close current running Vivaldi and start updating process? [y/N]" -n 1 -r;
	echo
	if [[ $REPLY =~ ^[Yy]$ ]]
	then
		killall vivaldi-bin
		sleep 3
		sudo dpkg -i "$vivaldi_filename" 
		vivaldi-stable %U > /dev/null 2>&1 &
		disown
	fi
fi