From: Fabian Marin <fmg134s@...>
Date: 2010-07-28T13:22:55+09:00
Subject: Re: Which Ruby is in use?

Edward Middleton wrote:
> On 07/28/2010 11:20 AM, Hassan Schroeder wrote:
>> => "/bin/sh\n"
>> 
>> isn't what I was looking for :-)
> 
> Thats because the $0 is being evaluated by the shell not ruby.  What you
> actually want is %x{which #{$0}} which will give "which irb" to the
> shell.  If the PATH environment is the same this should give you the
> full path.
> 
> Edward

Yeah I missed that.  I could not execute/test the code I suggested 
because I'm using Win XP right now, sigh...

Edward, you're right.  Once $0 is evaluated by Ruby that should work in 
a Unix environment.
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