Change the ownership of anonymously owned objects in my Amazon S3 bucket

fix-bucket-acl.sh

#!/bin/bash
#
# Change the ownership of anonymously owned objects in my Amazon S3 bucket
# see https://aws.amazon.com/premiumsupport/knowledge-center/s3-object-change-anonymous-ownership/
# 
# The -r option passed to read command prevents backslash escapes from being interpreted.
# Add IFS= option before read command to prevent leading/trailing whitespace from being trimmed 
#

echo 'NOTE: You can ignore the error:

An error occurred (AccessDenied) when calling the PutObjectAcl operation: Access Denied
'
sleep 5


BUCKET=XXX  # replce with your bucket name
KEY=   # Init to null

#
# Generate list of keys and pipe it to 'while read KEY'
#
aws s3 ls s3://$BUCKET/ --recursive --output text |awk '{print $4}' |egrep -v  '.*/$' |\
 while IFS= read -r KEY
 do
     aws s3api put-object-acl --bucket $BUCKET --key "$KEY" --acl bucket-owner-full-control   --no-sign-request
     aws s3 cp s3://$BUCKET/$KEY  s3://$BUCKET/"$KEY"  --metadata-directive REPLACE
     # test 
     #aws s3 cp s3://$BUCKET/$KEY  .
 done