which rsync command?

[Kevin Korb]

You should be fine as long as you don't add --delete.

I would start with rsync -vai --dry-run SOURCE/ TARGET/
Add whatever the OSX specific option is (I think -E)

Yes, --dry-run shows you what it would have done without --dry-run and
yes, if you can't read all the files then you need to run it as root.

On 02/22/2017 08:57 AM, David Epstein wrote:
> All the files and directories I want to talk about are on the same machine (a Mac).  I have a directory that I will call SOURCE. This contains a a number of files, some of which are directories containing further files. I want to copy these files to another directory, which I will call TARGET. Please assume that SOURCE and TARGET include absolute path-names. I think they should also end in a slash (subject to correction).
> 
> If a top-level file/directory is present in TARGET, but not in SOURCE, I do not want it to be disturbed.
> If a top-level file/directory is not present in TARGET, but is present in SOURCE, I want it to be recursively copied into TARGET
> If a top-level file/directory is present in TARGET and also present in SOURCE, I want it to overwrite, so that the ccorresponding file/directory in TARGET at the end of the rsync job is a copy of what is in SOURCE, with the same permissions and date-stamps.
> 
> Since it’s on a Mac, I also want to transfer extended attributes.
> 
> I would be grateful for the recommended recipe. 
> 
> Would dry-run tell me what rsync proposed to delete as well as what it proposed to install. It’s because I don’t understand the option dry-run fully that I’m reluctant to use trial-and-error to get to the right command.
> 
> I think I would have to use “sudo” since some of the files are not readable by me when I am an ordinaty user.
> 
> Thanks
> 
> 
> 

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