Added two batch files for easier packing/unpacking

batch/packdat.bat

@@ -0,0 +1,28 @@
+@echo off
+set "retdir=%CD%"
+
+if "%~1" == "" (
+    echo:
+    echo Usage: packdat foldername [outputname]
+    exit /b
+)
+
+if not exist "%~1" (
+    echo:
+    echo Error: Folder not found
+    exit /b
+)
+
+set "datpath=%~dp1"
+
+if "%~2" == "" (
+    set "datfile=%~nx1.dat"
+) else (
+    set "datfile=%~nx2"
+)
+
+del "%~dp1%datfile%.bak" 2>nul
+ren "%~dp1%datfile%" "%datfile%.bak" 2>nul
+cd /d "%~dpnx1"
+dat2.exe a -r "..\%datfile%" *
+cd /d "%retdir%"

batch/unpackdat.bat

@@ -0,0 +1,24 @@
+@echo off
+set "retdir=%CD%"
+
+if "%~1" == "" (
+    echo:
+    echo Usage: unpackdat filename [output_folder]
+    exit /b
+)
+
+if not exist "%~1" (
+    echo:
+    echo Error: DAT file not found
+    exit /b
+)
+
+if "%~2" == "" (
+    set "ofldr=%~n1"
+) else (
+    set "ofldr=%~nx2"
+)
+
+cd /d "%~dp1"
+dat2.exe x -d "%ofldr%" "%~nx1"
+cd /d "%retdir%"