@ECHO Off

REM -- Prepare the Command Processor
Setlocal Enabledelayedexpansion

Title delete_files_folders_fast_robocopy_v3.bat
REM Description: Use parameters or drag and drop to fast delete files and folders. 
REM Uses Robocopy for folders, DEL command for files. Deletions by Robocopy 
REM displayed, but not for dragged and dropped files using DEL.
REM Errorlevel 0 or 2 are normal for Robocopy and can be ignored
REM Output by Robocopy not surpressed
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 ----------------------
set path="F:\Utilities\commandlinetools\backup_copy_utilities\robocopy";%path%
REM -------------------------------------------------------------------------

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

REM ---------------------------- set colors ---------------------------------
REM Uncomment one option below to set
REM Yellow on Black
REM COLOR 0e
REM White on Blue
REM Color 1F
REM Black on Yellow
REM Color e0
REM Blue on Yellow
REM Color e1

REM 0=Black,1=Blue,2=Green,3=Aqua,4=Red,5=Purp,6=Yellow,7=White,8=Gray,9=Lt Blue
REM A=Lt Green,B=Lt Aqua,C=Lt Red,D=Lt Purp,E=Lt Yellow,F=Bright White 
REM ---------------------------- end colors ----------------------------------

ECHO Use parameters or drag and drop file^(s^) or folder^(s^) on this script 
ECHO to fast delete them. Uses Robocopy for folders, DEL for individual files
ECHO.
ECHO This version displays output from RoboCopy
ECHO All files or folders to delete should be in the same directory
ECHO.
ECHO This script fast deletes files or folders but without an easy way to 
ECHO recover the contents^^^!
ECHO.
ECHO.
ECHO -------------------------
ECHO.

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 change to working directory
pushd "%~dp1"

REM ECHO Current working directory: %CD%
ECHO.

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

if /I "%DIRATTR%"=="d" (
	ECHO First parameter is a folder: "%~n1%~x1"
	ECHO.
	goto next
	)
if /I "%DIRATTR%"=="-" (
	ECHO First parameter is a file: "%~nx1"
	ECHO.
	goto next
	)
pause
:next

REM Remove absolute path
SET FOLDER=%~n1%~x1

ECHO Folder/file attributes of above:  %~a1
ECHO.

REM Use pushd to cd to parent directory
REM (workaround for UNC path to network drives)
SET PARENT=%~1\..
pushd "%PARENT%"
ECHO Delete from: %CD%
ECHO.
ECHO Delete the following files and/or folders^(all dragged and dropped items^)?
FOR %%e in (%*) do ECHO   %%~nxe
ECHO.

:begin
ECHO To quit, press X on on this window or use CTRL + C ...
ECHO.
ECHO Press any key to delete the above file^(s^) and/or folder^(s^) ...
PAUSE >NUL
ECHO.

REM Create an empty directory
MKDIR "%~dp0EmptyDir"

set count=0
:Loop
REM test parameters on each loop to identify folders from files
IF [%1]==[] goto continue
set ATTR=%~a1
set DIRATTR=%ATTR:~0,1%
if /I "%DIRATTR%"=="d" (
REM Add >NUL to end of below command to prevent output to STDOUT
robocopy "%~dp0EmptyDir" "%~1" /MIR /W:0 /R:0
ECHO Deleted folder: "%~nx1"
ECHO.
RMDIR /Q/S "%~1"
ECHO.
) else (
DEL /F/Q "%~1"
REM Uncomment below to ECHO deleted files
REM ECHO Deleted file: "%~nx1"
)
:endloop
set /A count+=1
SHIFT
goto Loop

:continue
ECHO Files and/or Folders processed: %count%
popd
popd
If exist "%~dp0EmptyDir" RMDIR /Q "%~dp0EmptyDir"

ECHO.
ECHO -------------------------- closing batch file --------------------------
ECHO.

Endlocal

ECHO.
call:errorfunc
ECHO.

REM --------------------- Exit options (default is paused exit) -------------
REM Uncomment below to exit now
REM goto end
REM Uncomment below to use delayed exit
REM goto delayedexit

REM ---------------------------- Paused exit --------------------------------
ECHO.&ECHO.Press any key to end the application ...
Pause>NUL&Goto:end

REM ---------------------------- Delayed Exit --------------------------------
:delayedexit
REM Sets exit code to 0
ECHO exiting in 10 seconds..........&ECHO.
ECHO hit PAUSE on keyboard to pause... any key will resume exit
FOR /l %%a in (10,-1,1) do (TITLE %title% -- closing in %%as&ping -n 2 -w 1 127.0.0.1>NUL)
Title Press any key to exit . . .&ECHO.&EXIT /B 0

REM ------------------------------ exit now ---------------------------------
:end
EXIT /B 0

REM -------------------- Function Section (outside of local) ----------------
:errorfunc
ECHO The exit error code is: %ERRORLEVEL%, errorlevel will be reset to 0 on exit
goto :eof