Script to switch between high and low dpi displays

monitor.sh

#!/bin/bash

LAPTOP_DISP="eDP-1"
LAPTOP_DISP_DPI=120

# Get first active display
EXTERN_DISP=$(xrandr -q | grep ' connected' | cut -f1 -d' ' | grep -v $LAPTOP_DISP | tail -1)
EXTERN_DISP_DPI=96

if [ $EXTERN_DISP ]; then
    echo Xft.dpi: $EXTERN_DISP_DPI | xrdb -merge
    xrandr --output $EXTERN_DISP --auto \
           --output $LAPTOP_DISP --off
else
    echo Xft.dpi: $LAPTOP_DISP_DPI | xrdb -merge
    xrandr --output $LAPTOP_DISP --auto
fi

killall -1 awesome

Hello
Happy to meet you, my name is Miss Jessica Lawson, it is my pressure to meet you here  today through this site, i will like you to write to me so that i can be able to tell you more about me and the reason of my contact with you. here is my private email address, please write to me here so that i can tell you more anout me and also to send my picture  to you ( jesicalawson91@gmail.com )  thanks

Yours Miss Jessica Lawson