Script to get the Total volume, snapshot in AWS

#! /bin/bash

echo "Collecting volume info"

aws  ec2 describe-volumes --region us-east-1 --query 'Volumes[*].{Size:Size}' --output table | awk 'NR>5 {print $2}' > /tmp/ax

aws  ec2 describe-volumes --region us-east-1  --query 'Volumes[*].{Size:Size,SnapshotId:SnapshotId}' --output table | grep snap | awk '{print $2}'> /tmp/ay

sumvol=0

sumsnap=0

#Volumes sum

for i in `cat /tmp/ax`

do 

sumvol=`expr $sumvol + $i`

done

echo "Total Volumes Size :" $sumvol

#Snapshot sum

for j in `cat /tmp/ay`

         do

         sumsnap=`expr $sumsnap + $j`

         done

echo "Total Snapshot Size :" $sumsnap