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Finds files that were probably left behind by emacs sessions

require 'find' module Find   def match(*paths)     matched = []     find(*paths) { |path| matched << path if yield path }     return matched   end   module_function :match end def emacs_droppings(*paths)   Find.match(*paths) do |p|     (p[-1] == ?~ and p[0] != ?~) or (p[0] == ?# and p[-1] == ?#)   end end