@echo off
setlocal enabledelayedexpansion

:: Check if directory path was provided as argument
if "%~1"=="" (
    echo Usage: delemptydirs.cmd "C:\Path\To\Directory"
    echo.
    echo Example: delemptydirs.cmd "C:\Users\YourName\Documents"
    echo.
    pause
    exit /b 1
)

:: Set the target directory
set "TARGET_DIR=%~1"

:: Verify the directory exists
if not exist "%TARGET_DIR%" (
    echo Error: Directory "%TARGET_DIR%" does not exist.
    pause
    exit /b 1
)

echo Starting cleanup of empty folders in: %TARGET_DIR%
echo.

:: Counter for deleted folders
set /a DELETED_COUNT=0

:: Function to delete empty folders recursively
:delete_empty_folders
for /f "delims=" %%d in ('dir "%TARGET_DIR%" /ad /b /s 2^>nul') do (
    :: Check if directory is empty (no files and no subdirectories)
    dir "%%d" /a /b 2>nul | findstr "^" >nul
    if errorlevel 1 (
        echo Deleting empty folder: %%d
        rmdir "%%d" 2>nul
        if !errorlevel! equ 0 (
            set /a DELETED_COUNT+=1
        ) else (
            echo Warning: Could not delete "%%d" - may be in use or access denied
        )
    )
)

:: Check if any folders were deleted and run again if needed
:: (parent folders might become empty after deleting subfolders)
if %DELETED_COUNT% gtr 0 (
    echo.
    echo Pass completed. Checking for newly empty parent folders...
    set /a DELETED_COUNT=0
    goto delete_empty_folders
)

echo.
echo Cleanup completed!
echo All empty folders have been removed from: %TARGET_DIR%
echo.
pause