Consolidate create_path code

bin/build

@@ -12,9 +12,7 @@ VIEWS_DIR = File.join('views')
 LAYOUT_FN = File.join(VIEWS_DIR, 'layout.haml')
 
 def write_page(path_items, template, locals = {})
-  dir = File.join(OUTPUT_DIR, path_items)
-  FileUtils.mkdir_p(dir)
-  @log.debug dir
+  dir = create_path(path_items)
   fn = File.join(dir, 'index.html')
   
   # https://stackoverflow.com/questions/6125265/using-layouts-in-haml-files-independently-of-rails
@@ -30,9 +28,7 @@ def write_page(path_items, template, locals = {})
 end
 
 def write_csv(path_items, filename, data)
-  dir = File.join(OUTPUT_DIR, path_items)
-  FileUtils.mkdir_p(dir)
-  @log.debug dir
+  dir = create_path(path_items)
   fn = File.join(dir, filename + '.csv')
   
   csv_string = CSV.generate do |csv|
@@ -44,6 +40,13 @@ def write_csv(path_items, filename, data)
   @log.info fn
 end
 
+def create_path(path_items)
+  dir = File.join(OUTPUT_DIR, path_items)
+  FileUtils.mkdir_p(dir)
+  @log.debug dir
+  dir
+end
+
 def create_output_dir
   # Recursively delete working directory to ensure no redundant files are left behind from previous builds.
   # FileUtils.rm_rf(@working_dir)