Hi,

I want to use R to do user-submitted jobs in a (java-based) webapp.
Specifically, I want
* users to upload R scripts
* run the R job on user data
* save the results to database

I'm concerned about sandbox issues.
* Is it possible to disable file read/write capability?
* Can I prevent the user from loading packages (e.g. the database package).

* Can I have users work on separate data sets while preventing access to
other user's data?

I'm trying to see if there's a secure way to let users upload their R
scripts and run on my server.

Thanks,
WILL

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