stats

Calculate storage device utilisation without df

mapfile < /proc/mounts
for index in ${!MAPFILE[*]}
	do array=(${MAPFILE[$index]})
	if [[ ${array[1]} == "/sysroot" ]]
		then drive=${array##*/}
		capacity=$(($(</sys/block/${drive//[0-9]}/${drive}/size)*512))
		break
	fi
done