RosettaCodeData/Task/Search-a-list/Ruby/search-a-list-1.rb

haystack = %w(Zig Zag Wally Ronald Bush Krusty Charlie Bush Bozo)

%w(Bush Washington).each do |needle|
  if (i = haystack.index(needle))
    puts "#{i} #{needle}"
  else
    raise "#{needle} is not in haystack\n"
  end
end