Re: How copy /usr contents to a new partition?

Parameshwara Bhat wrote: 
Hello List,

I want to copy /usr to a new partition and then attach that at /usr. I issued a command

    cp -options(recursive included) /usr /mnt/"mountpoint

This resulted in the creation of a new "usr" directory under /mnt/"mountpoint"/usr and contents of /usr went into sub-directories. What I want is to copy all the subdirectories and files directly under /usr to go at /mnt/"mountpoint" for obvious reasons. How do I do that? "Man cp" did not give me any clue. 
cp never seems to do what I want, so I'd
sudo -s
tar clC / usr | tar xpC /mnt/mountpoint

which has the great merit of being easily extended to copy between machines:
tar clC / usr | \ssh otherbox tar xpC /mnt/mountpoint[1]

and of course one can compress or not.


Also, is there a command which compares each file under two directory trees for difference.(I want to verify after the above operation) 

diff


1
I got caught one or twice: I have set ssh to an alias:
alias ssh='ssh -t'
and that breaks piping stuff across the network. Use of the backslash prevents use of the alias.



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John

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