 bucket.

Args:
    s3_url (str): S3 endpoint.

Returns:
    bool: Whether or not the path corresponds to a properly formed S3 bucket.
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<h2 class="memtitle"><span class="permalink"><a href="#a107fc12df567763e02d317cfacb84ce9">&#9670;&nbsp;</a></span>s3_cp()</h2>

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          <td class="memname">def util.AWSUtil.s3_cp </td>
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