Toggle gmail in /etc/hosts

toggle_gmail.sh

#!/bin/sh

if [ -n "$(grep gmail /etc/hosts)" ]
    then
        echo "Gmail found : $(grep gmail /etc/hosts)"   
        echo "Removing gmail"
        sed '/gmail/d' /etc/hosts > /tmp/gmailtoggle
        sudo cp /tmp/gmailtoggle /etc/hosts
    else
        echo "Gmail not found, Adding gmail"
        sudo echo -e "127.0.0.1\twww.gmail.com" >> /etc/hosts
fi

# Restarting network
sudo /etc/init.d/networking restart