Delete files older than n in S3

awss3deleteolderthan.sh

#!/bin/bash

# Usage: . ./awss3deleteolderthan.sh [bucket] [path] "20 minutes ago"

endpoint="https://ams3.digitaloceanspaces.com"

aws s3 ls s3://$1/$2 --endpoint $endpoint --recursive | while read -r line;
  do
    createDate=`echo $line|awk {'print $1" "$2'}`
    createDate=`date -d"$createDate" +%s`
    olderThan=`date --date "$3" +%s`
    if [[ $createDate -lt $olderThan ]]; then
      fileName=`echo $line|awk {'print $4'}`
      if [[ $fileName != "" ]]
        then
          aws s3 rm s3://$1/$fileName --endpoint $endpoint
      fi
    fi
  done;

The expires option is not implemented on Digital Ocean Spaces.

# (string) The date and time at which the object is no longer cacheable.
--expires "$(date -d '+5 minutes' --utc +'%Y-%m-%dT%H:%M:%SZ')"