Script to mod wpa_supplicant file used in autohotspot script

wificonnect

#!/bin/bash

#script to list available SSID and mod wpa-supplicant
#file to connect to new wifi hotspot
#this script works in conjuction with autohotspot
#http://www.raspberryconnect.com/network/item/330-raspberry-pi-auto-wifi-hotspot-switch-internet
#km4ack 20190401
#edited 20190402

#check to make sure running as root
WHO=$(whoami)
if [ $WHO == "root" ]
then
echo
else
echo "Please run this script as root"
exit
fi

# Generate List of Available SSIDs
SSID_LIST () {
clear
echo
echo
echo
echo "These hotspots are available"
echo
iwlist wlan0 scan | grep ESSID | sed 's/ESSID://g;s/"//g;s/^                    //g'
#ask user about hotspots
echo
echo "1 to refresh the list, 2 to exit or"
echo "Enter name of SSID would you like add?"
read SSID
if [ $SSID == "1" ]
then
SSID_LIST
elif [ $SSID == "2" ]
then
echo "Goodbye"
exit
fi
}

#print list on screen
SSID_LIST

#get SSID password
echo
echo "What is the password for the hotspot?"
read PASS

#verify you want to add the hotspot
echo
echo "Do you want to add $SSID to your Wifi connection list? Enter y or n"
read ANSWER

#make the change to wpa_supplicant.conf
if [ $ANSWER == "y" ]
then
echo "" >> /etc/wpa_supplicant/wpa_supplicant.conf
echo "network={" >> /etc/wpa_supplicant/wpa_supplicant.conf
echo "	ssid=\"$SSID\"" >> /etc/wpa_supplicant/wpa_supplicant.conf
echo "	psk=\"$PASS\"" >> /etc/wpa_supplicant/wpa_supplicant.conf
echo "	key_mgmt=WPA-PSK" >> /etc/wpa_supplicant/wpa_supplicant.conf
echo "}" >> /etc/wpa_supplicant/wpa_supplicant.conf
echo
#add line to mylog.txt
echo "/etc/wpa_supplicant/wpa_supplicant.conf updated via wificonnect script" >> $HOME/Documents/mylog.txt
#provide user feedback
echo "The information has been added to wpa_supplicant"
#offer to run audohotspot script
echo "Would you like to run  the auto hotspot script?"
echo "And connect to $SSID"
echo "Enter 1 for yes, 2 for no"
read HOTSPOT
	if [ $HOTSPOT -eq 1 ]
	then
	/usr/bin/autohotspot
	fi
else
echo "OK! No mods were made"
exit
fi

exit 0