From: pharrington <xenogenesis@...>
Date: 2009-12-19T05:30:20+09:00
Subject: Re: How to reopen the puts method

On Dec 18, 1:56 pm, Adam Lauper <adamlau...@gmail.com> wrote:
> I am looking for some additional detail regarding the puts method.  Hows
> does the basic puts method work?
>
> module Kernel
>   def self.puts text
>     $stdout.puts "New_Text"
>   end
> end
>
> # the following code doesn't actually call the Kernel puts method I've
> redefined.
> puts "Hello, World!"
>
> # however, this code does.
> Kernel.puts "Hello, World!"
>
> I would like to insert a debug flag into the basic puts method and
> suppress the output unless a flag is true.  Something like this...
> (except this doesn't work)
>
> module Kernel
>   def self.puts text, debug=false
>     $stdout.puts text if debug
>   end
> end
>
> puts "Hello, World!", true
>
> Any ideas?
> --
> Posted viahttp://www.ruby-forum.com/.


You're creating a new Kernel.puts module method; you want to redefine
the Kernel#puts instance method.