determining if user has shell access

Alex Tweedly alex at tweedly.net
Thu Oct 14 05:06:32 EDT 2010


Write a tiny script that does something trivial in shell (e.g. "shell 
ls"), and build that as a tiny executable.
Have your real script run that as a separate process and see if it never 
returns.

(Hmmm ... can you always start another executable ?)

-- Alex.

On 14/10/2010 09:41, Monte Goulding wrote:
> Hi Dar
>
> Thanks for your interest.
>
>> I'm a little confused as to what is happening.  Is the app locking up?
> Yes. The shell function never returns. I have reported it as a bug because it should fail gracefully. But I'd love a workaround or test.
>
>>   Or does the function return empty?
>>
>> If the latter, then maybe you can test shell with something trivial that always returns something that is not empty.  If you get empty, you can't use shell().
> I wish it were that easy.
>
> Cheers
>
> Monte
>
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