From da2b5e7506967ef9d9a9e5547665d352be15c7dd Mon Sep 17 00:00:00 2001
From: Nathan Broadbent <nathan.f77@gmail.com>
Date: Sat, 27 Dec 2014 21:11:09 +0600
Subject: [PATCH] Fix verbose code with a one liner

---
 plugins/category_generator.rb | 11 +----------
 1 file changed, 1 insertion(+), 10 deletions(-)

diff --git a/plugins/category_generator.rb b/plugins/category_generator.rb
index c55d62f..9beef9b 100644
--- a/plugins/category_generator.rb
+++ b/plugins/category_generator.rb
@@ -153,16 +153,7 @@ ERR
     # Returns string
     #
     def category_links(categories)
-      categories = categories.sort!.map { |c| category_link c }
-
-      case categories.length
-      when 0
-        ""
-      when 1
-        categories[0].to_s
-      else
-        "#{categories[0...-1].join(', ')}, #{categories[-1]}"
-      end
+      categories.sort.map { |c| category_link c }.join(', ')
     end
 
     # Outputs a single category as an <a> link.