s3du

#!/bin/bash
if [ -z "$1" ]; then
  echo "-----------------------------"
  aws s3 ls | awk '{print $3}'
  echo "-----------------------------"
  echo "Please enter a bucket name -- s3du bucket-name"
else
  s3du=$(aws s3 ls s3://$1 --recursive  | grep -v -E "(Bucket: |Prefix: |LastWriteTime|^$|--)" | awk 'BEGIN {total=0}{total+=$3}END{print total/1024/1024" MB"}')
  printf "Bucket $1 is "
  echo $s3du
fi