Renumbering UIDs and GIDs?

[jj at lcs.mit.edu (John Jannotti)]

David Kramer <david at thekramers.net> writes:
> Fear is the enemy of knowledge and productivity.
> 
> find / -gid $oldgid | xargs chgrp $newgrp

Except that this will fail if you have files with funny characters (like
quotes) in them.  Use -print0 with find, and the -0 option to xargs.

But, to be fair, I think your second choice would also work.

> If you cannot conquer your fears, 
> 
> find / -gid $oldgid -exec chgrp $newgrp {} \;
> 
> Untested, but 99% sure this will work, or at least not get you arrested.

  jj