"." is in sys.path unless others have write permissions on the current
directory.
On Sunday, May 22, 2016 at 3:55:23 PM UTC+2, Jeroen Sijsling wrote:
>
> Dear all,
>
> (I also posted this about a quarter of an hour ago, but I now think that I
> must have done something wrong. I am sorry if this turns out to be a double
> post.)
>
> For some reason I placed a file called string.py in the directory where I
> normally run Sage. I then ran Sage in the usual way, without specifying
> this file, and saw the result of evaluating it pass by before the Sage
> prompt appeared. I then tested that it also works after replacing the
> contents of string.py with
>
> import shutil
> shutil.rmtree("dir")
>
> in the sense that once run there is no more directory dir. This does not
> just happen on my own machine; I have logged in at some other places in the
> world where I have an account, and there the same thing occurs, whether the
> version is 7.1 or 7.2. It seems risky.
>
> The side effects also occurs after renaming to math.py, but renaming to
> string.sage removes them.
>
> Best regards,
> Jeroen Sijsling
>
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