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READ_XORG="$(grep -E -i "(Output.*using|Setting.*Mode)" /var/log/Xorg.0.log | tail -1 )"
CURR_SIZE="$(echo ${READ_XORG} | grep -E -o '[0-9]{3,}x[0-9]{3,}')"
echo "CURR_SIZE = ${CURR_SIZE} "
SIZE_FILE="/tmp/size.txt"

if [ ! -f "${SIZE_FILE}" ] ; then
	# first time add current screen
	echo $CURR_SIZE > "${SIZE_FILE}"
else
	# lets check if size is difrent and if so call my  script
	if [ "${CURR_SIZE}" != "$(cat ${SIZE_FILE})" ] ; then
		echo "new Size"
		# lets call my script
		
		# add new screen size in tmp file
		echo "${CURR_SIZE}" > "${SIZE_FILE}"
	fi
fi