@ECHO OFF

Title delete_file_folder_fast_simple_robocopy_v2.bat
REM v2a
REM Description: Use parameters or drag and drop to fast delete a file or folder
REM Uses Robocopy for folders, DEL command for files. Limited to one file or folder 
REM Asks for confirmation before delete. No output displayed for deletions
REM Ref: http://mattpilz.com/fastest-way-to-delete-large-folders-windows/
REM Ref: https://superuser.com/questions/416071/how-to-delete-huge-number-of-files-on-windows

REM change to current directory
pushd "%~dp0"

REM ---------------- set path for RoboCopy if required ----------------------
REM set path="F:\Utilities\commandlinetools\backup_copy_utilities\robocopy";%path%
REM -------------------------------------------------------------------------

REM Remove existing EmptyDir
If exist "%~dp0EmptyDir" RMDIR /Q "%~dp0EmptyDir"

REM Test for empty parameter
IF [%1] == [] (
	ECHO.
	ECHO ------------------------ No files or folders to processs ------------
	ECHO No file or folder detected
	ECHO Press any key to exit and restart again ...
	pause>nul & exit /B 0
	)

REM Use pushd to cd to parent directory
REM (workaround for UNC path to network drives)
SET PARENT=%~1\..
pushd "%PARENT%"

REM Test if parameter is a file or directory
set ATTR=%~a1
set DIRATTR=%ATTR:~0,1%

if /I "%DIRATTR%"=="d" (
	REM Create an empty directory
	call :askdelete "%~n1%~x1"
	MKDIR "%~dp0EmptyDir"
	robocopy "%~dp0EmptyDir" "%~1" /MIR /W:0 /R:0 >NUL
	RMDIR /Q "%~1"
	REM Remove empty directory
	RMDIR /Q "%~dp0EmptyDir"
	goto end
)

REM Delete file
call:askdelete "%~nx1"
DEL /F/Q "%~1" >NUL

:end
popd
EXIT /B 0

:askdelete
ECHO.
ECHO Delete: "%~1"
ECHO From: "%~dp1"
ECHO.
ECHO Press any key to delete. To quit, click the X on on this window or use CTRL + C ...
PAUSE >NUL
goto:eof