From: Max Norman <maxnorman@...>
Date: 2009-07-22T06:15:30+09:00
Subject: Re: Simple problem with Regular Expression


> fruit = gets.chomp.downcase
> 
> case fruit
> when "orange"
>   color = "orange"
> when "apple"
>   color = "green"
> when "banana"
>   color = "yellow"
> else
>   color = "unknown"
> end
> 
> if %w{a e i o u}.include?(fruit[0])
>   puts "An #{fruit} is #{color}."
> else
>   puts "A #{fruit} is #{color}."
> end

Thanks for this. I've just come across a few of these concepts, like 
literal arrays, denoted by %w{}. Could you explain your usage of the 
literal array?
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