# File lib/rake.rb, line 95
 95:     def pathmap_explode
 96:       head, tail = File.split(self)
 97:       return [self] if head == self
 98:       return [tail] if head == '.' || tail == '/'
 99:       return [head, tail] if head == '/'
100:       return head.pathmap_explode + [tail]
101:     end