module Utils::Find::ConfigurableFinder::PathExtension

def exist?
  !!file
end

def file
  begin
    @finder.open_file(self)
  rescue Errno::ENOENT, Errno::EACCES
    return
  end
end

def lstat
  file and file.lstat
end

def pathname
  Pathname.new(self)
end

def stat
  file and file.stat
end

def suffix
  pathname.extname[1..-1]
end