From: Austin Ziegler <halostatue@...>
Date: 2007-12-13T23:18:08+09:00
Subject: Re: Modifying parent shell's attributes?

On 12/13/07, John Wells <lists@sourceillustrated.com> wrote:
> I asked this on the rails list, but received no traction. Since it's
> more of a ruby question anyway, thought I'd give it a shot here.
>
> I have a problem with one of my rake tasks. It loads a very large yaml
> file into the db, but because of the default limitation on stack size
> in the Linux shell, the task craps out. Executing "ulimit -s 16384"
> fixes the issue, and the task completes just fine.
>
> What I'd like to do within my task is this (in ruby-ish pseudo):
>
> if on_linux?
>  set_stack_of_running_shell_via_ulimit 16384
> end
>
> Is there any way to do this? Can I modify the attributes of the shell
> that is running me?

Check out the Process class; specifically getrlimit and setrlimit. It
won't change the shell, but it will change Ruby.

-austin
-- 
Austin Ziegler * halostatue@gmail.com * http://www.halostatue.ca/
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               * austin@zieglers.ca