From: Daniel Berger <djberg96@...>
Date: 2011-01-29T07:55:21+09:00
Subject: Re: Simple way to detect 32bit vs 64bit?



On Jan 28, 3:15 pm, Justin Collins <justincoll...@ucla.edu> wrote:
> On 01/28/2011 12:31 PM, Intransition wrote:> Anyone have simple means for checking if the running arch is 32bit or
> > 64bit?
>
> 1.size => 4 on 32 bit, 8 on 64 bit.

As Park Heesob pointed out to me, that's not reliable. Use this
instead:

['a'].pack('P').length  > 4 ? "64Bit" : "32Bit"

Regards,

Dan