Tipps Windows Resize Raw Img File Using Virtual Box

set VBOXMANAGE="C:\Program Files\Oracle\VirtualBox\VBoxManage.exe"
IF NOT EXIST %VBOXMANAGE% (
   echo %VBOXMANAGE% does not exist ... exiting)
)
ELSE (
   IF EXIST input.vdi   ( %VBOXMANAGE% closemedium disk input.vdi --delete)
   IF EXIST output.vdi ( %VBOXMANAGE% closemedium disk output.vdi --delete) 
   IF EXIST output.img (%VBOXMANAGE% closemedium disk output.img)
    
   REM  use without .img
   set /p INPUT_NAME="Enter input file name without .img: "; 
   set OUTPUT_NAME=%INPUT_NAME%_resized 
   set /p OUTPUT_SIZE="Enter Size (MB) (e.g. 15000): "  
    
   ECHO "=========================================================================" 
   %VBOXMANAGE% convertfromraw %INPUT_NAME%.img input.vdi -format VDI --variant Standard 
   ECHO "=========================================================================" 
   %VBOXMANAGE% createhd --filename output.vdi --size %OUTPUT_SIZE% --format VDI --variant Standard 
   ECHO "=========================================================================" 
   %VBOXMANAGE% clonehd input.vdi output.vdi --existing 
   ECHO "=========================================================================" 
   %VBOXMANAGE% clonehd output.vdi output.img --format RAW 
   copy output.img %OUTPUT_NAME%.img 
   %VBOXMANAGE% closemedium disk input.vdi --delete 
   %VBOXMANAGE% closemedium disk output.vdi --delete 
   %VBOXMANAGE% closemedium disk output.img 
)