quick change your host

chost.sh

#! /bin/bash
# change my hosts
# 
# USAGE #
# chost local(default)
# chost daily
# chost online
#
mode=$1

if [[ $mode == '' ]];then
    mode="local"
fi

function filtermode() {
if [ $(id -u) != "0" ];then
    echo "必须以root权限运行此文件!"
    end
fi
case $mode in
    "daily"|"online"|"local") changemode $mode
        ;;
    *)
        echo 'you enter a wrong mode (please enter online ,daily, or local)'
        end
        ;;
esac
}

function changemode () {
local inputmode=$1
case $inputmode in
    "daily") cat /etc/hosts.daily>/etc/hosts
        ;;
    "online") cat /etc/hosts.online>/etc/hosts
        ;;
    "local") cat /etc/hosts.local>/etc/hosts
        ;;
esac
echo 'mode changed to' $mode
end
}

function end() {
exit
}

filtermode $mode