RosettaCodeData/Task/Ordered-words/Ruby/ordered-words-1.rb

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Ruby
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require 'open-uri'
ordered_words = open('http://www.puzzlers.org/pub/wordlists/unixdict.txt', 'r').select do |word|
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word.strip!
word.chars.sort.join == word
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end
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grouped = ordered_words.group_by &:size
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puts grouped[grouped.keys.max]