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			12 lines
		
	
	
	
		
			225 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			12 lines
		
	
	
	
		
			225 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
# word occurrence listing
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# usage: ruby freq.rb file..
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freq = Hash.new(0)
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while line = gets()
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  line.scan(/\w+/) do |word|
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    freq[word] += 1
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  end
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end
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for word in freq.keys.sort!
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  print word, " -- ", freq[word], "\n"
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end
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