On Tue, Mar 26, 2013 at 17:21:28 +0100,
  Reindl Harald <h.rei...@thelounge.net> wrote:

and how yoill you remove all hidden files of a folder?

For cases where I just want dot files/dirs removed I use '.??*'. That only hits names at least three characters long.

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: '..'

That's an improvement. I hadn't tested doing an rm -rf of .. for about 10 years. That version of rm starting decsending .. before doing any check for whether .. should be removed.
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