Eduroam password updater

eduroam.sh

#!/bin/bash

read -p "EDUROAM EMAIL: " EMAIL
HASH=$(read -s -p "Password:" | iconv -t utf16le | openssl md4 -hex | awk '{print $2}')
cat << EOF | sed "s/EMAIL/$EMAIL/" | sed "s/HASH/$HASH/" | tee /etc/wpa_supplicant/wpa_supplicant.conf

ctrl_interface=/var/run/wpa_supplicant
network={
   scan_ssid=1
   ssid="eduroam"
   key_mgmt=WPA-EAP
   eap=PEAP
   identity="EMAIL"
   password=hash:HASH
   phase1="peaplabel=0"
   phase2="auth=MSCHAPV2"
}

EOF