cp -u is illegal on mac. What are the alternatives?

Posted by Barnabas Szabolcs on Super User See other posts from Super User or by Barnabas Szabolcs
Published on 2012-12-05T23:27:38Z Indexed on 2012/12/06 11:10 UTC
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I have a MacbookPro Lion, and I have tried to archive my files that is tried to copy and overwrite if the source is newer than the destination. I tried the following command

cp -u source destination

but it says, -u is illegal. I also did not find --update or -u in the man cp.

Can you please help, what can I do in this situation?

[I have the question moved over here from SO, so feel free to answer it once more. I hope this is the right way of dealing with this]

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