From: "Jesús Gabriel y Galán" <jgabrielygalan@...>
Date: 2013-02-14T01:00:55+09:00
Subject: Re: Ruby command line options s and S

On Wed, Feb 13, 2013 at 4:51 PM, Love U Ruby <lists@ruby-forum.com> wrote:
> "Jesús Gabriel y Galán" <jgabrielygalan@gmail.com> wrote in post
> #1096683:
>> On Wed, Feb 13, 2013 at 3:59 PM, Love U Ruby <lists@ruby-forum.com>
>> wrote:
>>> Can anyone help me to understand the difference between s and S with
>>> small snippets?
>>
>> -S tells Ruby to look into the $PATH variable when searching for the
>> script you want to run.
>> For example, say you have a test.rb in /home/user/bin/test.rb
>> and $PATH includes that folder. You could call ruby -S test.rb from
>> anywhere and Ruby will get test.rb from /home/user/bin
>
> @Jesus - nice explanation you have given. Could you tell me how can I
> see the $PATH contents in UBUNTU ?

Well, this is basic unix usage:

$ echo $PATH

Jesus.