Remove 0 byte placeholders from AWS S3

s3_cleanup.sh

#!/bin/bash

BUCKET_NAME="<bucket>"
BUCKET_PATH="<path>/"
PROFILE="<profile>"

### S3 Bulk Delete by File Size ###
aws s3 ls "s3://${BUCKET_NAME}/${BUCKET_PATH}" --profile "${PROFILE}" --recursive | awk -F ' ' '{print $3,$4}' | awk -F ' ' '$1 < 1 {print $2}' | xargs -IP echo '{"Key": "P"}' > delete.txt

# Because bulk delete limit is 1000 per api call.
split -l 1000 delete.txt

# Append json start and end parts to complete a bulk delete request in every file.
for file in x*; do
  echo '{"Objects": [' >> delete"$file" && paste -d, -s "$file" >> delete"$file" &&
  echo '],"Quiet": true }' >> delete"$file"
done

# Send delete requests as json content in delete* files.
for file in deletex*; do
        aws s3api delete-objects --bucket "${BUCKET_NAME}" --delete file://"$file" --profile "${PROFILE}"
done