From: John Carter <john.carter@...>
Date: 2009-04-20T10:44:38+09:00
Subject: Re: Which ruby is running me?

On Mon, 20 Apr 2009, James Gray wrote:

> On Apr 19, 2009, at 6:45 PM, John Carter wrote:
>
>> What is the One True Way of finding the path to _the_ instance of ruby
>> that is currently executing this script?
>
> I'm pretty sure this always works:
>
> $ ruby -r rbconfig -e 'p File.join(Config::CONFIG.values_at(*%w[bindir 
> ruby_install_name])) + Config::CONFIG["EXEEXT"]'
> "/usr/local/bin/ruby"

Thanks! Ooo.. a tad ugly though... Ah, well, at least I wasn't missing
the obvious for a change. :-)

John Carter                             Phone : (64)(3) 358 6639
Tait Electronics                        Fax   : (64)(3) 359 4632
PO Box 1645 Christchurch                Email : john.carter@tait.co.nz
New Zealand