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Using CLI (not s3cmd) to manage Amazon S3, how can I select all objects with extension .pdf and apply the content type application/pdf?

This is what I came up with so far:

aws s3 sync s3://${BUCKET_NAME} s3://${BUCKET_NAME} --dryrun --exclude '*' --include '*.pdf' --no-guess-mime-type --content-type application/pdf

Using the --debug parameter I found out about this error:

An error occurred (InvalidRequest) when calling the CopyObject operation: This copy request is illegal because it is trying to copy an object to itself without changing the object's metadata, storage class, website redirect location or encryption attributes.
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  • Can you try your command with no option. Then add option one by one to see when it fails ? Commented Dec 13, 2016 at 6:09
  • @Sylwit I used the --debug parameter, found the error and updated the question. Commented Dec 13, 2016 at 6:36
  • stackoverflow.com/a/58041788/4134265 Hope this helps Commented Sep 21, 2019 at 15:48

1 Answer 1

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Try changing metadata directly:

aws s3 sync s3://${BUCKET_NAME} s3://${BUCKET_NAME} --dryrun --exclude '*' --include '*.pdf' --no-guess-mime-type --metadata Content-Type=application/pdf
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