    # File lib/chef/util/file_edit.rb, line 31
                    def initialize(filepath)
                            @original_pathname = filepath
                            @file_edited = false

                            raise ArgumentError, "File doesn't exist" unless File.exist? @original_pathname
                            raise ArgumentError, "File is blank" unless (@contents = File.new(@original_pathname).readlines).length > 0
                    end