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flavono123/aws_s3_last_modified.sh

Last active August 3, 2022 10:09
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Aggregate the latest 'LastModified' of S3 objects by prefixes
Raw
aws_s3_last_modified.sh
#!/bin/bash
bucket=$1
prefixes=( "${@:2}" )
for prefix in "${prefixes[@]}"
do
lm=$(aws s3api list-objects-v2 --bucket="${bucket}" --prefix="${prefix}" | jq '.Contents | map(.LastModified) | sort_by(.)[-1]')
echo "${prefix}\t${lm}"
done
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