CODEWITHSUNDEEP
amazon-s3s3cmd
Paolo
Paolo

Reputation: 2249

Sync with S3 with s3cmd, but not re-download files that only changed name

I'm syncing a bunch of files between my computer and Amazon S3. Say a couple of the files change name, but their content is still the same. Do I have to have the local file removed by s3cmd and then the "new" file re-downloaded, just because it has a new name? Or is there any other way of checking for changes? I would like s3cmd to, in that case, simply change the name of the local file in accordance with the new name on the server.

Upvotes: 0

Views: 1264

Answers (1)

Matt Domsch
Matt Domsch

Reputation: 486

s3cmd upstream (github.com/s3tools/s3cmd master branch) and 1.5.0-rc1 latest published version, can figure this out, if you used a recent version to put the file into S3 in the first place that used the --preserve option to store the md5sum of each file. Using the md5sums, it knows that you have a duplicate (even if renamed) file locally, and won't re-download it, but instead will do a local copy (or hardlink) from the file system name to the name from S3.

Upvotes: 1

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