From 68d20d0f76037d407e5ec0537ab7e1eec276b87b Mon Sep 17 00:00:00 2001
From: claustromaniac <20734810+claustromaniac@users.noreply.github.com>
Date: Tue, 12 Dec 2017 21:09:39 +0000
Subject: [PATCH] initial commit

---
 prefs cleaner.bat | 61 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 prefs cleaner.bat

diff --git a/prefs cleaner.bat b/prefs cleaner.bat
new file mode 100644
index 0000000..b0a6900
--- /dev/null
+++ b/prefs cleaner.bat	
@@ -0,0 +1,61 @@
+@ECHO OFF
+TITLE prefs.js cleaner
+
+REM ### prefs.js cleaner for Windows
+REM ## author: @claustromaniac
+REM ## version: 1.0b
+
+SETLOCAL EnableDelayedExpansion
+CALL :message "This batch should be run from your Firefox profile directory. It will remove from prefs.js any entries that exist in user.js, allowing inactive preferences to reset to default value."
+CHOICE /M "Continue"
+IF ERRORLEVEL 2 ( EXIT /B )
+CLS
+IF NOT EXIST "user.js" ( CALL :abort "user.js not found in the current directory." 30 )
+IF NOT EXIST "prefs.js" ( CALL :abort "prefs.js not found in the current directory." 30 )
+IF EXIST "webappsstore.sqlite-shm" ( CALL :abort "Running this script while Firefox is also running is useless. Close Firefox and try again." 60 )
+CALL :message "Backing up prefs.js..."
+COPY /B /V /Y prefs.js "prefs-backup-!date:/=-!, !time::=.!.js"
+CALL :message "Cleaning prefs.js... (this can take a while)"
+CALL :cleanup
+CLS
+CALL :message "All done."
+TIMEOUT 5 >nul
+EXIT /B
+
+REM ######### Cleanup Function ##########
+:cleanup
+SETLOCAL DisableDelayedExpansion
+(
+	FOR /F "tokens=1,* delims=]" %%G IN ('FIND /N /V "" ^< "prefs.js"') DO (
+		SET "_line=%%H"
+		SETLOCAL EnableDelayedExpansion
+		SET "_pref=!_line: =!"
+		FOR /F "delims=," %%X IN ("!_pref!") DO ( SET "_pref=%%X" )
+		IF /I "user_pref"=="!_pref:~0,9!" (
+			SET _pref=!_pref:"=""!
+			FIND /I "!_pref!" user.js >nul
+			IF ERRORLEVEL 1 (
+				ECHO(!_line!
+			)
+		) ELSE (
+			ECHO(!_line!
+		)
+		ENDLOCAL
+	)
+)>newprefs.js
+ENDLOCAL
+MOVE /Y newprefs.js prefs.js
+GOTO :EOF
+REM ########## Message Function #########
+:message
+ECHO.
+ECHO %~1
+ECHO.
+GOTO :EOF
+REM ########## Abort Function ###########
+:abort
+CALL :message %1
+ECHO.
+TIMEOUT %~2 >nul
+EXIT
+REM #####################################