>>>>> "J" == JamesBritt  <JamesBritt> writes:

J> "Programming Languages Will Become OSes (But Are Not Quite Yet)"

 From the article

> Conclusion: Perl has some sort of sandbox, but it works at the compilation
> step only. It's not very flexible and it's not very useful. Perl is also
> monolithic and many functions are built into the interpreter. Thus, it is
> harder to isolate functionalities.

 I like the "some sort of sandbox" :-( Apparently it don't know the
 problem. 

> Conclusion: Python has a nice and simple security model. However, rexec
> cannot do all kinds of isolation that one might need, like resource
> limiting. Guido once also said that rexec is not tested enough and it might
> contain security holes.

 See the last announcement about rexec

> Conclusion: Ruby doesn't have a sandbox (yet).

 The P languagues can try to do what I do with PL/Ruby

J> The author discusses (among other things) Perl, Python, and Ruby.

 The author don't seems to know well these languages, particulary the
 security part.


Guy Decoux