DOS batch script that formats version to fixed length

StandardizeVersion.bat

rem example version : 21.2.5
rem output version: 21.02.05
setlocal enabledelayedexpansion
set /p version="Enter a version number: "
for /f "tokens=1-3 delims=." %%a in ("%version%") do (
  set "major=%%a"
  set "minor=%%b"
  set "patch=%%c"
)
if "!patch:~1,1!"=="" set "patch=0!patch:~0,1!"
if "!minor:~1,1!"=="" set "minor=0!minor:~0,1!"
if "!major:~1,1!"=="" set "major=0!major:~0,1!"
set "padded_version=!major!.!minor:~-2!.!patch!"
echo Padded version: !padded_version!