Disable ads & disable tracking

hosts.sh

function hosts() {
	if [ $# -eq 0 ]; then
		hosts_file_num_lines=$(wc -l /etc/hosts | awk '{print $1}')
		marker_string_frequency=$(grep StevenBlack /etc/hosts | wc -l)
		if [ "$marker_string_frequency" -gt 1 ]; then
			echo -e $COLOR_GREEN"/etc/hosts file contains entries for AdBlock"$COLOR_RESET" (contains $hosts_file_num_lines lines)"
		else
			echo -e $COLOR_GREEN"/etc/hosts file is right now pristine"$COLOR_RESET" (contains $hosts_file_num_lines lines)"
		fi
	elif [ $# -eq 1 ]; then
		if [ "$1" = "pristine" ]; then
			if [ -f /etc/hosts_pristine ]; then
				sudo cp -v /etc/hosts_pristine /etc/hosts
				echo -e $COLOR_GREEN"Replaced /etc/hosts file with a pristine one"$COLOR_RESET
			else
				err "File /etc/hosts_pristine doesn't exist!"
			fi
		elif [ "$1" = "adblock" ]; then
			if [ -f /etc/hosts_pristine -a -f /etc/hosts_adblock ]; then
				sudo bash -c 'cat /etc/hosts_pristine /etc/hosts_adblock > /etc/hosts'
				echo -e $COLOR_GREEN"Replaced /etc/hosts file with an AdBlock one"$COLOR_RESET
			else
				err "Either /etc/hosts_pristine or /etc/hosts_adblock (or both) missing!"
			fi
		elif [ "$1" = "update" ]; then
			wc /etc/hosts_adblock
			sudo bash -c 'curl https://raw.githubusercontent.com/StevenBlack/hosts/master/hosts > /etc/hosts_adblock'
			wc /etc/hosts_adblock
			echo -e $COLOR_BLUE"Updated /etc/hosts_adblock from internet"$COLOR_RESET
		else
			err "Invalid parameter: $1"
		fi
	else 
		err "Invalid number of arguments!"
	fi
}