From: Aldric Giacomoni <aldric@...>
Date: 2009-11-24T01:52:14+09:00
Subject: Re: Best way to search through an array for an item matching a s

Daniel Webb wrote:
> am trying to find a nice easy/simple way to
> - search through an array of strings match the string I've input
> - use  that index to print out the word before in the array.
> 
> for example
> [ahoy there,hello,me hearties,dear friends]
> 
> 'hello' should output 'ahoy there'

http://ruby-doc.org/core/classes/Array.html#M002178

def print_element_before_x_in_y x, y # Shut up. I am GOOD at method 
names.
  y.index x
  x.nil? ? nil : y[x-1]
end

This, minds you, wraps around, so if you find the first item in the 
array, it'll return y[-1] ... ;-)
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