#!/bin/bash

case $1 in
	-vsync) 
		vsync=$(hwinfo --monitor | grep "Vert. Sync" | sed 's:.*Vert.*Sync\ Range\:\ \(.*\)\ Hz:\1:')
		if [[ -z ${vsync} ]]
		then
			echo "0-0"
		else
			echo "${vsync}"
		fi
		;;

	-hsync)
		hsync=$(hwinfo --monitor | grep "Hor. Sync" | sed 's:.*Hor.*Sync\ Range\:\ \(.*\)\ kHz:\1:')
		if [[ -z ${hsync} ]]
		then
			echo "0-0"
		else
			echo "${hsync}"
		fi
		;;
esac