From: Cezary <cezary.baginski@...>
Date: 2011-06-04T23:48:09+09:00
Subject: [ruby-core:36733] Re: [Ruby 1.9 - Feature #4824] Provide method Kernel#executed?

On Sat, Jun 04, 2011 at 11:17:01PM +0900, Yukihiro Matsumoto wrote:
> 
> I agree providing a method to tell whether it is loaded as a library
> or is executed as a command is more elegant than '__FILE__ == $0',
> but I am still afraid #executed? can mean multiple ways so that the
> name can cause confusion.  We need a better name.

How about the inverse or something similar:

  unless required?  # top-level file, not require'd or loaded
    #main
    puts "hello from main"
  end

This would also protect from main being run twice when the file
includes itself.


-- 
Cezary Baginski