diff --git a/lib/twine/formatters/flash.rb b/lib/twine/formatters/flash.rb
index 7a96506..cb770c0 100644
--- a/lib/twine/formatters/flash.rb
+++ b/lib/twine/formatters/flash.rb
@@ -70,40 +70,25 @@ module Twine
         end
       end
 
-      def write_file(path, lang)
-        default_lang = @strings.language_codes[0]
-        encoding = @options[:output_encoding] || 'UTF-8'
-        File.open(path, "w:#{encoding}") do |f|
-          f.puts "## Flash Strings File\n## Generated by Twine #{Twine::VERSION}\n## Language: #{lang}\n"
-          @strings.sections.each do |section|
-            printed_section = false
-            section.rows.each do |row|
-              if row.matches_tags?(@options[:tags], @options[:untagged])
-                f.puts ''
-                if !printed_section
-                  if section.name && section.name.length > 0
-                    f.print "## #{section.name} ##\n\n"
-                  end
-                  printed_section = true
-                end
+      def format_header(lang)
+        "## Flash Strings File\n## Generated by Twine #{Twine::VERSION}\n## Language: #{lang}"
+      end
 
-                key = row.key
-                value = row.translated_string_for_lang(lang, default_lang)
-                if value
-                  placeHolderNumber = -1
-                  value = value.gsub(/%[d@]/) { placeHolderNumber += 1; '{%d}' % placeHolderNumber }
-                  
-                  comment = row.comment
-                  if comment && comment.length > 0
-                    f.print "# #{comment}\n"
-                  end
+      def format_section_header(section)
+        "## #{section.name} ##\n"
+      end
 
-                  f.print "#{key}=#{value}"
-                end
-              end
-            end
-          end
-        end
+      def format_comment(comment)
+        "# #{comment}"
+      end
+
+      def key_value_pattern
+        "%{key}=%{value}"
+      end
+
+      def format_value(value)
+        placeHolderNumber = -1
+        value.gsub(/%[d@]/) { placeHolderNumber += 1; '{%d}' % placeHolderNumber }
       end
     end
   end
diff --git a/test/fixtures/formatter_flash.properties b/test/fixtures/formatter_flash.properties
index d48ec52..a623196 100644
--- a/test/fixtures/formatter_flash.properties
+++ b/test/fixtures/formatter_flash.properties
@@ -7,8 +7,9 @@
 # comment key1
 key1=value1-english
 key2=value2-english
+
 ## Section 2 ##
 
 key3=value3-english
 # comment key4
-key4=value4-english
\ No newline at end of file
+key4=value4-english