# File lib/pathname2.rb, line 738 def clean return self if self.empty? if @win path = 0.chr * MAXPATH if PathCanonicalize(path, self) return self.class.new(path.split(0.chr).first) else return self end end final = [] to_a.each{ |element| next if element == "." final.push(element) if element == ".." && self != ".." 2.times{ final.pop } end } final = final.join(@sep) final = root._plus_(final) if root != "." final = "." if final.empty? self.class.new(final) end