I guess I'd have to agree with jj808
You would have to have a serious number of files under
unix (say 50K), or a seriously brain dead OS to make this worth
the risk. One problem I see is that all of your files
will have the same permissions set. So they will all
be executable or all non-executable. The other problem
is that you are executing every operation even if it isn't needed, though I doubt that slows things down much.
In general, you can do all of this with two commands (since you generally want the directory's permissions
to be similar to a file's permissions, except for the
# chown -R newuser:newgroup /my/dir
# chmod -R ug+rwX /my/dir
... (where 'X' means put an x bit on it if it already has
an x bit set) on any reasonable unix system.
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