Bash script used for switching monitor between VGA and LVDS in Arch Linux.

monswitch

#!/bin/bash
# Script for dual monitors

LVDS="LVDS1"
VGA="VGA1"

CHK_VGA=$(xrandr | grep $VGA | awk ' { print $2 } ')
CHK_VGA_G=$(xrandr | grep $VGA | grep "+")

function dual_it_up()
{
  xrandr --output $LVDS --auto --output $VGA --auto --left-of $LVDS
}
function vga()
{
	if [ "$CHK_VGA" == "connected" ]; then
    	xrandr --output $LVDS --off --output $VGA --auto
	elif [ "$CHK_VGA_G" ]; then
    	xrandr --output $LVDS --off --output $VGA --auto
	else
		echo "VGA Not connected"
	fi
}

function notebook()
{
	if [ "$CHK_VGA" == "connected" ]; then
    	xrandr --output $VGA --off --output $LVDS --auto
	elif [ "$CHK_VGA_G" ]; then
    	xrandr --output $VGA --off --output $LVDS --auto
	else
		xrandr --output $LVDS --auto
	fi
}

# Logic for determinging what the xrandr command string will be

if [ "$1" == "dual" ]; then
	dual_it_up
elif [ "$1" == "vga" ]; then
	vga
elif [ "$1" == "notebook" ]; then
	notebook
fi

# nitrogen --restore

exit 1