def write
            buffer = create_zip(@entries, @ignore_entries)

            puts "\nwrite file #{@output_file}"
            File.open(@output_file, "wb") {|f| f.write buffer.string }
        end
def write
            buffer = create_zip(@entries, @ignore_entries)

            puts "\nwrite file #{@output_file}"
            File.open(@output_file, "wb") {|f| f.write buffer.string }
        end
Initialize with the json config.
 Zip the input entries.