robocopy.exe c:\Sourcepath c:\Destpath /E /XC /XN /XO :: /E makes Robocopy recursively copy subdirectories, including empty ones. :: /XC excludes existing files with the same timestamp, but different file sizes. Robocopy normally overwrites those. :: /XN excludes existing files newer than the copy in the source directory. Robocopy normally overwrites those. :: /XO excludes existing files older than the copy in the source directory. Robocopy normally overwrites those. :: With the Changed, Older, and Newer classes excluded, Robocopy will exclude files existing in the destination directory.
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