16 lines
		
	
	
		
			253 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			16 lines
		
	
	
		
			253 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
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class StreaminatorHelper
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  def extract_name(stream)
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    name = case (stream.fileno)
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      when 0 then '#<IO:$stdin>'
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      when 1 then '#<IO:$stdout>'
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      when 2 then '#<IO:$stderr>'
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      else stream.inspect
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    end
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    return name
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  end
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end
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