#!/usr/bin/env bash
# v1.0 - Shell Script to automatically set display based on connected monitors.

get_active_monitors()
{
    xrandr | awk '/ connected/ && /[[:digit:]]x[[:digit:]].*+/{print $1}'
}

monitors=$(get_active_monitors)

for sub in "${monitors[@]}"; do
    if [[ *"$sub"* == *"HDMI-1"* ]]; then 
        echo "HDMI-1 detected, switching to one primary display."
        xrandr --output eDP-1 --off --output HDMI-1 --primary --mode 1920x1080 --pos 0x0 --rotate normal
    fi
done