Robocopy parameters?

About a month ago my scheduled batch backup using xcopy began to fail.  I posted a question about the issue on EE and eventually scrapped the xcopy  with a new backup using Robocopy

Old xcopy Backup
xcopy "I:\My Documents\*.*" "K:\Mike\" /s /y /f

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Robocopy backup
set LogFile=I:\My Documents\copylog.txt
RoboCopy "I:\My Documents" "K:\RoboCopy" /E /TEE /LOG+:"RoboCopyLog.txt"

The xcopy retained files on the destination that had been removed from the source and I set up the new Robcopy to do the same.

Now the xcopy backup contains files that aren’t in the new Robocopy backup.  These would be files that had been removed from the source drive over time.

The source directory for both backups is I:\My Documents.  There are many subdirectories under this main directory.
I would like to set up a onetime Robocopy that will copy from K:\Mike to K:\Robocopy.  However, the only files (and possibly directories I want to copy are the ones that don’t exist in K:\Robocopy.

What parameters do I use on the onetime RoboCopy to accomplish this?
RoboCopy "K:\Mike" "K:\RoboCopy"  /?????
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mlcktmguyAsked:
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Bill PrewIT / Software Engineering ConsultantCommented:
I believe you can do:

robocopy /e /xc /xn /xo source destination

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»bp

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☠ MASQ ☠Commented:
You have to be a bit creative with the switches to do this & RC users often ask for this to be a single switch

This should do it:

 X:\SourceFolder Y:\DestinationFolder /E /XC /XN /XO

It's really a recursive copy excluding anything that matches the destination - there's one caveat which is if you have same filename but different version in the same location on the destination RC will not overwrite it.

EDIT ... What Bill said above :)
mlcktmguyAuthor Commented:
Thanks
Bill PrewIT / Software Engineering ConsultantCommented:
Welcome.


»bp
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