.zshrc

host_add() {
  sudo echo "${2}	${1}" >> /etc/hosts
  sudo killall -HUP mDNSResponder
  dscacheutil -q host -a name $1
}

host_del() {
  sed "/$1/d" /etc/hosts > /tmp/tmp-host
  sudo mv /tmp/tmp-host /etc/hosts
  sudo killall -HUP mDNSResponder
  dscacheutil -q host -a name $1
}