Joao S. O. Bueno wrote on Sat, Jan 19, 2013 at 10:17:57 -0200:
> Why not something along:
>
> with temp_dir("/tmp"):
> # things that perform in /tmp
>
> # directory is restored.
>
> Of course that one function could do both things,
> depending ob wether a <dir> parameter is passed.
>
+1