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Editorial Team
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Asked: 2026-06-13T08:25:49+00:00

When I created my bucket 2 years ago, I didn’t think about giving it

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When I created my bucket 2 years ago, I didn’t think about giving it a name good for a CNAME entry, and now I need that feature.

Some files I can move, but others I would rather copy, because I don’t want to break third party links that point to the “old” bucket name.

My requirements are:

  • Copy files whose name matches a certain pattern from bucket A to B
  • Move files whose name matches a certain pattern from bucket A to B
  • Minimize time
  • Minimize cost

I’m interested to know estimates of the time, because my website would need to be offline during the move (because I don’t want new files to be added to bucket A resulting in them being lost.)

I’d also like to know what’s the best way to perform this copy/move according to the file names.

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1 Answer

  1. Editorial Team

    There is the COPY commands available in the S3 API. For the move operation, you can first copy the file and then DELETE it.

    However I would first try this approach on smaller files. The documentation says:

    A PUT copy operation is the same as performing a GET and then a PUT.

    If this results in a download and upload of the file, this will be quite time-consuming.

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