Install Blu-ray support for VLC media player on Windows

installBluraySupport.cmd

:: Name:     installBluraySupport.cmd
:: Purpose:  Install Blu-ray support for VLC media player on Windows
:: Usage:    1. Install VLC media player https://www.videolan.org/vlc/download-windows.html
::              * Install 64-bit version for 64-bit system, or this script doesn't work
::           2. Download corresponding files from http://vlc-aacs.whoknowsmy.name/
::           3. Put them under the same folder as this script
::           4. Execute the script

@echo off
if not exist %PROGRAMDATA%\aacs (
    mkdir %PROGRAMDATA%\aacs
    copy .\KEYDB.cfg "%PROGRAMDATA%\aacs\KEYDB.cfg"
)

setlocal ENABLEEXTENSIONS
set KEY_NAME="HKEY_LOCAL_MACHINE\SOFTWARE\VideoLAN\VLC"
set VALUE_NAME=InstallDir

:: Get install location of VLC from registry
FOR /F "usebackq skip=2 tokens=1-3*" %%A IN (`REG QUERY %KEY_NAME% /v %VALUE_NAME% 2^>nul`) DO (
    set ValueValue=%%C
)

if defined ValueValue (
    :: Always overwrite by /Y
    copy /Y .\libaacs.dll "%ValueValue%\libaacs.dll"
) else (
    @echo VLC video player is not installed
)