From f7c640e550724c499bce4be9d792248c5d5e850a Mon Sep 17 00:00:00 2001
From: WS64 <ws64@hotmail.com>
Date: Thu, 18 Sep 2014 10:17:40 +0200
Subject: [PATCH] Code optimization

---
 frontend/docsettings.lua | 13 +------------
 1 file changed, 1 insertion(+), 12 deletions(-)

diff --git a/frontend/docsettings.lua b/frontend/docsettings.lua
index 1c3e7f204..a4a59001c 100644
--- a/frontend/docsettings.lua
+++ b/frontend/docsettings.lua
@@ -2,18 +2,7 @@ local lfs = require("libs/libkoreader-lfs")
 local DocSettings = {}
 
 function DocSettings:getHistoryPath(fullpath)
-    local i = #fullpath - 1
-    -- search for last slash
-    while i > 0 do
-        if fullpath:sub(i,i) == "/" then
-            break
-        end
-        i = i - 1
-    end
-    -- construct path to configuration file in history dir
-    local filename = fullpath:sub(i+1, -1)
-    local basename = fullpath:sub(1, i)
-    return "./history/["..basename:gsub("/","#").."] "..filename..".lua"
+    return "./history/[" .. fullpath:gsub("/","#"):gsub("(.*#)([^#]+)","%1] %2") .. ".lua"
 end
 
 function DocSettings:getPathFromHistory(hist_name)