From: La Wi <lw2011@...>
Date: 2011-12-04T04:49:36+09:00
Subject: Re: Dynamic instances of a class.

Oops, I didn't take into account the format of your data file, in which
the first line is not data but headings. So here's a refinement:

   def Motorcycle.getMany(filename)
      File.new(filename).readlines[1..-1].map{ |line|
         Motorcycle.new( line.split( ',' )  )
      }
   end

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