From: Brian Candler <b.candler@...>
Date: 2010-06-21T19:27:30+09:00
Subject: Re: String comparison. Why does Ruby consider this true?

Michael Fellinger wrote:
>>> %w[Xeo xeo ball ABC abc].sort.each{|word| p word => word.unpack('C*') }
> {"ABC"=>[65, 66, 67]}
> {"Xeo"=>[88, 101, 111]}
> {"abc"=>[97, 98, 99]}
> {"ball"=>[98, 97, 108, 108]}
> {"xeo"=>[120, 101, 111]}
> => ["ABC", "Xeo", "abc", "ball", "xeo"]
> 
> There is always a way to make things work on both, it's just that I
> don't care much about 1.8 anymore.

That does work the same on both, but it doesn't give codepoints.

$ irb --simple-prompt
>> "groß".unpack("C*")
=> [103, 114, 111, 195, 159]
>> RUBY_VERSION
=> "1.8.6"

$ irb19 --simple-prompt
>> "groß".unpack('C*')
=> [103, 114, 111, 195, 159]
>> "groß".codepoints.to_a
=> [103, 114, 111, 223]
>> RUBY_DESCRIPTION
=> "ruby 1.9.2dev (2009-07-18 trunk 24186) [i686-linux]"
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