Allows you to mount and unmount drives in Windows by its label

mountUnmountDriveByLabel.bat

@echo off
setlocal ENABLEDELAYEDEXPANSION

set label=VOLUME_LABEL_HERE
set letter=VOLUME_LETTER_HERE

set dpvns="%TEMP%\dpvn.txt"
set dprls="%TEMP%\dprl.txt"

echo list volume>%dpvns%
echo exit>>%dpvns%

set label_short=%LABEL:~0,11%

for /f "delims=" %%i in ('Diskpart /s %dpvns%') do (
    set string=%%i

    if not "!string:%label_short%=!"=="!string!" (
        set volnum=!string:~9,3!
        set volnum=!volnum: =!
    )
)
if not "!volnum!"=="" (

    echo list volume>%dprls%
    echo select volume !volnum!>>%dprls%
    :: To assign letter (mount)
    echo assign letter=%letter%>>%dprls%
    :: To remove letter (unmount)
    :: echo remove letter=%letter%>>%dprls%
    echo exit>>%dprls%

    Diskpart /s %dprls% > nul 2>&1
) else (
    echo Cannot find volume with label %label%
    pause
)