add average size to index page

dcav-index.erb

@@ -15,6 +15,7 @@
 	<th>Name</th>
 	<th>Count</th>
 	<th>Size</th>
+	<th>Average size</th>
       </tr>
       <% order = 0
 	 users.sort.each do |user|
@@ -26,6 +27,7 @@
         <td>#{user.name}</td>
         <td class=\"right-align\">#{user.count}</td>
         <td class=\"right-align\">#{Filesize.from(user.size.to_s + "B").pretty}</td>
+	<td class=\"right-align\">#{Filesize.from(user.avgsize.to_s + "B").pretty}</td>
       </tr>}
       %>
       <% end %>

gen_index.rb

@@ -8,7 +8,7 @@ erb_file  = "dcav-index.erb"
 html_file = "/var/shots/html/index.html"
 
 class User
-  attr_accessor :name, :count, :size
+  attr_accessor :name, :count, :size, :avgsize
   def <=> other
     other.count <=> count
   end
@@ -24,6 +24,7 @@ usernames.each do |username|
   user.count   = `ls -1 #{shot_dir}#{username}/ | wc -l | head -n 1`
                  .delete("\n")
                  .to_i
+  user.avgsize = user.size / user.count
   
   users     << user
 end