s3-size

 1# vim: ft=zsh
 2
 3if (( $# != 1 )) || [[ "$1" != s3://* ]]; then
 4  print -u2 -- "Usage: s3-size s3://bucket/prefix"
 5  return 2
 6fi
 7
 8setopt localoptions pipefail
 9command aws s3 ls "$1" --recursive --summarize --human-readable |
10  awk '/Total Size:/ { sub(/^[[:space:]]*/, ""); print }'