Kyle wrote:
Robocopy seems to be a great way to automate backups, and thanks to
dangerous dom, I have a script that will either perform the mirror or
the backup function. But I want to be sure I understand what these two
functions do. The way I understand it, backup will copy every file from
the source onto the destination that is not already on the destination
but will not delete any files at all. Mirror will make an exact copy
of the source onto the destination and delete any files on the
destination that are not on the source. Does either of these functions
ever make changes to the source files?
No, the source files are never modified in any way, moved or deleted.
Well, actually there are options you can give that will move the source
files/directories rather than copy:
/MOV : MOVe files (delete from source after copying).
/MOVE : Move files and dirs (delete from source after copying).
But as long as you don't specify those options, the source files aren't
touched.
Now, if I add files only to the source then it seems like either
function will do the same thing. Is that correct?
Yes. The difference between the two is that /mir will cause files in the
destination directory *that are no longer in the source directory* to be
deleted. That is, the detination directory becomes an exact mirror of
the source directory.
If I change some genre tags on the source, will both mirror and backup
make those changes on the destination? How about MusicMagic/IP codes
saved to the track files?
Yes to both. Any kind of a change to a file will cause the file to be
copied to the destination folder.
SBB
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