Reindl Harald wrote:
Am 26.03.2013 21:08, schrieb Rick Stevens:
On 03/26/2013 10:35 AM, Reindl Harald issued this missive:
Am 26.03.2013 18:03, schrieb Matthew Saltzman:
this is safe since a very long time
[root@testserver:/tmp]$ LANG=c; /usr/bin/rm -rf .*
/usr/bin/rm: cannot remove directory: '.'
/usr/bin/rm: cannot remove directory: '..'
Does this not depend on where in the tree you are and what permissions
you have on . and ..?
how many more permissions will you have than root?
"rm" and "rmdir" take care to not delete "." or "..". "rm" also requires
the "-f" along with "-r" to delete non-empty directories. You don't
want to delete your current directory (".") and you sure don't want to
delete its parent ("..")
and you don't as proven above
I hate to say it, but I don't want to ever have to trust that the rm I'm getting
is the one I expect and not some alias, function, thing earlier on a PATH, and
that I'm on a recent system which protects me from being reckless. If I have to
think that hard I'd rather just use something safer and not put my faith in a
check which I know is not universal to all systems.
I am not a trusting person.
--
Bill Davidsen <davidsen@xxxxxxx>
"We have more to fear from the bungling of the incompetent than from
the machinations of the wicked." - from Slashdot
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