From: "NAKAMURA, Hiroshi" <nahi@...>
Date: 2002-03-27T18:16:46+09:00
Subject: Re: Weird problem with Ruby debugger

Hi,

> From: Dennis Newbold [mailto:dennisn@pe.net] 
> Sent: Saturday, March 23, 2002 7:12 AM

> > FYI: $= is obsolete in Ruby.

> So, if the $= variable is obsolete, can anybody tell me what is the
> approved or recommanded way of doing a case-insensitive comparison of
> two strings, or of getting the Array#include? method to do a case
> insensitive comparison, as in:
> 
>        ["built-in-command-1", "built-in-command-2"].include? response

It might not be a recommended way but how is this?

# DEBT: An element must be a String.
class StringArray < Array
end

class CaseInsensitiveStringArray < StringArray
  def include?( target )
    each { | ele | return true if ele.upcase == target.upcase }
  end
end

p CaseInsensitiveStringArray["built-in-command-1",
  "built-in-command-2"].include?( "Built-In-Command-2" )

Hope this helps,
// NaHi