Install Firefox developer edition linux64

installFirefoxDev.sh

#!/bin/bash

# get firefox dev package
# en-US
# es-MX
PS3='Please select a firefox language: '
options=("1) Español" "2) English" "Quit")
select opt in "${options[@]}"
do
	case $opt in
		"1) Español")
			wget -q --show-progress "https://download.mozilla.org/?product=firefox-devedition-latest-ssl&os=linux64&lang=es-MX" -O firefox-dev.tar.bz2
			sudo tar -xvjf firefox-dev.tar.bz2
			if [ -d "/opt/firefox-dev" ];then
    			sudo rm -rf /opt/firefox-dev
			fi
			sudo mv -f firefox /opt/firefox-dev
			sudo ln -s -f /opt/firefox-dev/firefox /usr/bin/firefox-dev
			break;
			;;
		"2) English")
			wget -q --show-progress "https://download.mozilla.org/?product=firefox-devedition-latest-ssl&os=linux64&lang=en-US" -O firefox-dev.tar.bz2
			sudo tar -xvjf  firefox-dev.tar.bz2
			if [ -d "/opt/firefox-dev" ];then
    			sudo rm -rf /opt/firefox-dev
			fi
			sudo mv -f firefox /opt/firefox-dev
			sudo ln -s -f /opt/firefox-dev/firefox /usr/bin/firefox-dev
			break;
			;;
		"Quit")
			break
			;;
	*) echo "invalid option $REPLY";;
	esac
done
#delete file if exist
rm -r ~/.local/share/applications/firefox-dev.desktop

#Create a Desktop Entry
cat > ~/.local/share/applications/firefox-dev.desktop <<EOL
[Desktop Entry]
Encoding=UTF-8
Name=Firefox Dev
Exec=firefox-dev
Icon=/opt/firefox-dev/browser/chrome/icons/default/default128.png
Terminal=false
Type=Application
Categories=Development;
EOL