xrandr monitor changer

#!/bin/bash

# WARNING: Running as "sh changer.sh" breaks some syntax mumbojumbo
# Just do a "chmod +x changer.sh" and run the file directly.

function show_banner {
	figlet -f slant "Super monitor activator"
	echo "Choose your destiny:"
}

function show_options {
	echo "1. Activar monitor notebook"
	echo "2. Prender la tevé"
	echo "3. Desactivar monitor de notebook"
	echo "'Q'. Quit"
	printf "What's it gonna be? "
	read opt
}

function do_magic {
	case "$1" in
		1)
		echo "Activating LVDS1"
		xrandr --output LVDS1 --mode "1366x768" --right-of HDMI1
		;;
		2)
		echo "Creating mode..."
		xrandr --newmode "1920x1080R"  138.50  1920 1968 2000 2080  1080 1083 1088 1111 +hsync -vsync
		echo "Adding mode..."
		xrandr --addmode HDMI1 "1920x1080R"
		echo "Setting mode and activating HDMI1"
		xrandr --output HDMI1 --primary --mode "1920x1080R" --left-of LVDS1
		;;
		3)
		echo "Deactivating LVDS1"
		xrandr --output LVDS1 --off
		;;
		'q' | 'Q')
		echo "Quitting."
		echo
		exit 0
		;;
		*)
		printf "NO DUDE.\n1, 2, OR 3. OR 'Q' IF YOU ARE A QUITTER.\nFAGGET.\n"
	esac
}

show_banner  # Only show banner when starting up
while [[ 1 == 1 ]]; do  # :D
	show_options
	do_magic $opt
	echo
done