From: Joel VanderWerf <joelvanderwerf@...>
Date: 2010-10-10T02:35:57+09:00
Subject: Re: Getting the size of a block device

On 10/09/2010 05:35 AM, Brian Candler wrote:
> Terry Michaels wrote:
>> Obviously, I could wrap a system call around a Linux utility or read a
>> proc file... but I am curious if there is a 'built-in' Ruby method.
>
> The ioctl is called BLKGETSIZE/BLKGETSIZE64, and a quick grep of the
> ruby source code doesn't find it.
>
> Maybe someone else has published an extension which wraps the API
> directly, but you could just use IO.ioctl directly.

Does the sys-filesystem gem have something like that?

http://rubyforge.org/docman/view.php/610/1562/sys-filesystem.html