script to toggle ext monitor on and offf

monitor-toggle.sh

#!/bin/bash

set -ex

stuff=$(xrandr | grep -v -E '^eDP1' | grep ' connected') && have_ext=yes || have_ext=no

if [ "$have_ext" = "no" ]; then
    # just make sure it's off
    for op in $(xrandr | awk '/disconnected/ { print $1 }'); do
        xrandr --output $op --off
    done
else
    # FIXME: if i somehow have more than one ext monitor connected...
    op=$(echo "$stuff" | cut -d' ' -f1)
    echo "$stuff" | grep -q -E '[[:digit:]]+x[[:digit:]]+' && connected=yes || connected=no
    if [ "$connected" = "yes" ]; then
        xrandr --output $op --off
    else
        xrandr --output $op --preferred --right-of eDP1
    fi
fi