shntnu

#!/bin/bash
#
# Calculate checksum corresponding to the entity-tag hash (ETag) of Amazon S3 objects
# 
# Usage: compute_etag.sh <filename> <part_size_mb>
#
# filename: file to process
# part_size_mb: chunk size in MiB used for multipart uploads.  
# This is 8M by default for the AWS CLI See:
# https://docs.aws.amazon.com/cli/latest/topic/s3-config.html#multipart_chunksize