feat: join.bat

utils/join.bat

@@ -0,0 +1,16 @@
+@echo off
+setlocal enabledelayedexpansion
+
+if not exist output mkdir output
+
+for /d %%D in (input\*) do (
+    set "foldername=%%~nxD"
+    if not exist "output\!foldername!.txt" type nul > "output\!foldername!.txt"
+    
+    for %%F in ("%%D\*.txt") do (
+        type "%%F" >> "output\!foldername!.txt"
+        echo. >> "output\!foldername!.txt"
+    )
+)
+
+echo Process completed.