From: "Chamila W." <lists@...>
Date: 2013-06-13T00:38:14+09:00
Subject: Re: Getting Started With Development

I saved project I downloaded at /home/chamila/ruby/rr/ruby and compiled 
it. Should I do that at /usr/local/bin ?


> I mean that the interpreter in /usr/bin (the one installed by
> debian/ubuntu) is not used if there is one in /usr/local/bin
> (installed by you). This is because, at least in default settings,
> /usr/local/bin appears before /usr/bin in PATH.
>
> If you want to be sure that you are not using the old interpreter,
> after you have done make install, remove the ubuntu package, as I
> already mentioned in a previous msg.
>
> In all cases, you may know what you are running by typing
>

when I tried ruby -v it gives the output as ruby 1.8.7.
which ruby gives output /usr/local/bin/ruby.
But when I run RUBY_VERSION in irb it gave 2.1.0 and irb successfully 
execute  p %i{hurray huzzah whoop} which I couldn't executed using ruby.


> ruby -v
>
> Another command you may use is
>
> which ruby
>
> which prints out the path of the first executable with the name 'ruby'
> found in your PATH. If you type
>
> ls -l `which ruby`
>
> you can see if the executable you run is recent or not.
>
> Carlo

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