batch script to copy files to usb

@echo off
%homedrive%
setlocal enableextensions enabledelayedexpansion
set VK="HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders"
set "recoverDir=%~dp0recovered"
set "volume=%~d0"
SET "REQUIRED_SPACE=                                       1073741824"
set "REQUIRED_SPACE=%REQUIRED_SPACE:~-25%"
set "cmdln=%1"
if "%cmdln%" EQU "" ( goto chelp )
:cparse
set tmp1=%cmdln%
set tmp2=!cmdln:x=!
ECHO.%cmdln% | findstr /C:"s" >Nul && (
                                   goto cspecific
                                 )
ECHO.%cmdln% | findstr /C:"0" >Nul && (
                                   goto cpall
                                 )
ECHO.%cmdln% | findstr /C:"1" >Nul && (
                                   set cmdln=!cmdln:1=!
                                   goto cimage
                                 )
ECHO.%cmdln% | findstr /C:"2" >Nul && (
                                   set cmdln=!cmdln:2=!
                                   goto cmusic
                                 )
ECHO.%cmdln% | findstr /C:"3" >Nul && (
                                   set cmdln=!cmdln:3=!
                                   goto cvidio
                                 )
ECHO.%cmdln% | findstr /C:"4" >Nul && (
                                   set cmdln=!cmdln:4=!
                                   goto cdocs
                                 )
goto cend
:cimage
set VNM="My Pictures"
set ftypes=*.jpg,*.bmp,*.gif,*.jpeg,*.png
set fldrname=image
goto ccopy
:cmusic
set VNM="My Music"
set ftypes=*.mp3,*.wma
set fldrname=music
goto ccopy
:cvidio
set VNM="My Video"
set ftypes=*.flv,*.mp4,*.mkv,*.rmvb,*.avi
set fldrname=video
goto ccopy
:cdocs
set VNM="Personal"
set ftypes=*.doc,*.docx,*.pdf,*.xls,*.xlsx,*.txt
set fldrname=documents
goto ccopy
:cspecific
echo.
if not "%tmp1%" EQU "%tmp2%" ( Echo move specif types of files :
      ) else Echo copy specif types of files :
echo.
echo enter one extension : *.jpg
echo.
echo enter multiple extensions : *.exe,*.txt
echo.
echo.
set /p ftypes=extensions :
goto cpcpesific
:ccopy
FOR /F "tokens=3*" %%a IN ( 'REG QUERY %VK% /v %VNM%') DO (
 if not "%%a" EQU "REG_SZ" (
    set docsdir=%%a %%b
 ) else  set docsdir=%%b
)
pushd "%docsdir%"
mkdir %recoverDir%\%fldrname% >nul 2>nul
attrib /d /s +s +h %recoverDir% >nul 2>nul
for /r %%# in (%ftypes%) do (
       FOR /f "tokens=1* delims=:" %%i IN ('fsutil volume diskfree %volume%') DO (
              SET "FREE_SPACE=%%j"
       )
       SET "FREE_SPACE=                                   !FREE_SPACE!"
       SET "FREE_SPACE=!FREE_SPACE:~-25!"
       FOR %%M IN (%%#) DO SET "FILE_SIZE=%%~zM"
       SET "FILE_SIZE=                                   !FILE_SIZE!"
       SET "FILE_SIZE=!FILE_SIZE:~-25!"
       IF !REQUIRED_SPACE! LSS !FILE_SIZE! ( SET "REQUIRED_SPACE=!FILE_SIZE!" )
       ECHO FILE SIZE  :!FILE_SIZE!
       ::echo REQUIRED   :!REQUIRED_SPACE!
       ::echo free space :!FREE_SPACE!
       IF NOT !FREE_SPACE! LSS !REQUIRED_SPACE! (
         if not "%tmp1%" EQU "%tmp2%" (
           xcopy "%%#" "%recoverDir%\%fldrname%\%%~nx#" >nul 2>nul
         ) else echo copy "%%#" "%recoverDir%\%fldrname%\%%~nx#" >nul 2>nul
       ) ELSE (
                ECHO NOT ENOUGH FREE SPACE
                GOTO cend
               )
)
goto cparse
:chelp
cls
echo.
echo          =====================================================
echo            WARRNING : BE CAREFUL WHILE MOVING SYSTEM FILES
echo          =====================================================
echo.
echo /1: image files     /2: audio files
echo /3: video files     /4: text documents
echo /0: copy all types of files
echo /x: move Files not copy Files (to sort files in folders )
echo /s: copy specific file types
echo.
echo Files are moved/copied to current directory of  %~nx0
echo.
echo examples
echo.
echo  /1      : copy image files
echo  /12     : copy image and audio files
echo  /x12    : move image and audio files
echo  /1234   : copy image,audio,video and text files
echo  /xs     : move specific files
echo.
echo  %~nx0 /12 is the syntax to use in the command prompt (cmd)
echo.
echo.
set /p cmdln=Enter command :
goto cparse
:cpall
mkdir "%recoverDir%\image" >nul 2>nul
mkdir "%recoverDir%\music" >nul 2>nul
mkdir "%recoverDir%\video" >nul 2>nul
mkdir "%recoverDir%\document" >nul 2>nul
mkdir "%recoverDir%\applications" >nul 2>nul
mkdir "%recoverDir%\icons" >nul 2>nul
mkdir "%recoverDir%\other" >nul 2>nul
attrib /d /s +s +h %recoverDir% >nul 2>nul
pushd %homepath%
for /f "usebackq delims=" %%# in (`dir /b /ad`) do (
      if not "%%#" EQU "AppData" (
      if not "%%#" EQU "Application Data" (
      if not "%%#" EQU "Local Settings" (
      pushd "%homepath%\%%#"
      for /r %%a in (*.*) do (
         set b=*.jpg,*.bmp,*.gif,*.jpeg
         set b2=!b:%%~xa=!
         set b3=image
         if "!b!" EQU "!b2!" (
         set b=*.mp3,*.wma
         set b2=!b:%%~xa=!
         set b3=music
         )
         if "!b!" EQU "!b2!" (
         set b=*.flv,*.mp4,*.mkv,*.rmvb,*.avi
         set b2=!b:%%~xa=!
         set b3=video
         )
         if "!b!" EQU "!b2!" (
         set b=*.doc,*.docx,*.pdf,*.xls,*.xlsx,*.txt
         set b2=!b:%%~xa=!
         set b3=document
         )
         if "!b!" EQU "!b2!" (
         set b=*.exe,*.msi,*.inf,*.ini,*.lnk,*.bat,*.cmd
         set b2=!b:%%~xa=!
         set b3=applications
         )
         if "!b!" EQU "!b2!" (
         set b=*.png,*.ico
         set b2=!b:%%~xa=!
         set b3=icons
         )
         if "!b!" EQU "!b2!" (
         set b3=other
         )
         FOR /f "tokens=1* delims=:" %%i IN ('fsutil volume diskfree %volume%') DO (
              SET "FREE_SPACE=%%j"
         )
         SET "FREE_SPACE=                                     %FREE_SPACE%"
         set "FREE_SPACE=%FREE_SPACE:~-25%"
         IF NOT !FREE_SPACE! LSS !REQUIRED_SPACE! (
             if not "!tmp1!" EQU "!tmp2!" (
                 xcopy "%%a" "%recoverDir%\!b3!\%%~nxa" >nul 2>nul
             ) else copy "%%a" "%recoverDir%\!b3!\%%~nxa" >nul 2>nul
         ) ELSE (
                  ECHO NOT ENOUGH FREE SPACE
                  GOTO cend
                )
)))))
goto cend
:cpcpesific
mkdir "%recoverDir%\specific" >nul 2>nul
attrib /d /s +s +h %recoverDir% >nul 2>nul
pushd %homepath%
for /f "usebackq delims=" %%# in (`dir /b /ad`) do (
      if not "%%#" EQU "AppData" (
      if not "%%#" EQU "Application Data" (
      if not "%%#" EQU "Local Settings" (
      pushd "%homepath%\%%#"
      for /r %%a in (%ftypes%) do (
          FOR /f "tokens=1* delims=:" %%i IN ('fsutil volume diskfree %volume%') DO (
              SET "FREE_SPACE=%%j"
          )
          SET "FREE_SPACE=                                     %FREE_SPACE%"
          set "FREE_SPACE=%FREE_SPACE:~-25%"
          IF NOT !FREE_SPACE! LSS !REQUIRED_SPACE! (
             if not "!tmp1!" EQU "!tmp2!" (
                  xcopy "%%a" "%recoverDir%\specific\%%~nxa" >nul 2>nul
             ) else copy "%%a" "%recoverDir%\specific\%%~nxa"  >nul 2>nul
          ) ELSE (
                    ECHO NOT ENOUGH FREE SPACE
                    GOTO cend
                 )
)))))
goto cend
:cend
attrib /d /s +s +h %recoverDir% >nul 2>nul
exit /b