From: 7stud -- <bbxx789_05ss@...>
Date: 2011-04-12T08:23:53+09:00
Subject: Re: Beginner's Beginner

7stud -- wrote in post #992150:
> 1) Add the directory containing the file you want to require() to the
> directories that are searched by default:
>
> $LOAD_PATH << "/some_dir/sub_dir/my_ruby_programs/"
>

$LOAD_PATH is an array, and the << is like calling push() on an 
array--for instance:

arr.push(additional_element)

The result is that the $LOAD_PATH array will contain an additional 
string, which is the name of the directory you want to add.  However, 
the $LOAD_PATH array will be changed only for the duration of your 
program; when you run another program, the $LOAD_PATH array will be 
reconstructed with the default directories plus whatever directory is 
the current directory.

> For a more permanent solution, you can also:
>
> 2) Add the directory containing the file you want to require, to your
> system's PATH environment variable.
>

> 3) Create a new environment variable called RUBYPATH, which specifies
> additional directories that you want ruby to search.
>
>

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