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