From: Brian Candler <b.candler@...>
Date: 2010-03-12T18:07:04+09:00
Subject: Re: Dynamically require and include code in application

R. Kumar wrote:
> Just what i wanted, Brian. Now its just an instance method:
> 
>     def load_module requirename, includename
>       require "mylib/#{requirename}"
> 
>       extend Object.const_get("#{includename}")
>       send("#{requirename}_init")
>     end

Slight simplification: extend Object.const_get(includename)

(There's no need for string interpolation on that line; const_get will 
take either a symbol or a string)

> I guess i could just lowercase the includename and have param.

That's how Rails handles it: use conventions to convert filenames to 
module/class names and vice versa.

>> require 'rubygems'
=> true
>> require 'activesupport'
=> true

>> "FooBar".underscore
=> "foo_bar"
>> "foo_bar".camelize
=> "FooBar"

>> "Foo::Bar".underscore
=> "foo/bar"
>> "foo/bar".camelize
=> "Foo::Bar"
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