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From: Andy Burns <usenet@andyburns.uk>
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Subject: Re: what is the fastest command line copy?
Date: Mon, 31 Mar 2025 15:59:49 +0100
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Newyana2 wrote:

> R.Wieser wrote:
>
>> I don't know if Win10 still has XCopy, but it seems that it can do that :
>>
>>    /D:m-d-y     Copies files changed on or after the specified date.
>>                 If no date is given, copies only those files whose
>>                 source time is newer than the destination time.
>>
>     That's not quite what I want. I usually want to just copy
> files that don't already exist in the redundant backup. That
> was part of the reason for the script: So that I can send 18
> missing photos to the redundant photo folder without also
> copying over the other 1,200.
That's why someone suggested robocopy, it can do that.