hmclinstaller.bat

@echo off

setlocal EnableDelayedExpansion

REM Generate random hash variable
set "chars=abcdefghijklmnopqrstuvwxyz"
set "hash="
for /L %%i in (1,1,10) do (
    set /A "randNum=!RANDOM! %% 26"
    for %%j in (!randNum!) do set "hash=!hash!!chars:~%%j,1!"
)

REM Create folder with hash name in Desktop
mkdir %USERPROFILE%\Desktop\%hash%
cd %USERPROFILE%\Desktop\%hash%
echo Created folder %hash% in Desktop
REM check if java is installed checking JAVA_HOME variable
set IS_JAVA_INSTALLED = set | findstr /i JAVA_HOME
where -q java

IF ERRORLEVEL 1 (
REM Download and extract 
echo Downloading JAVA OpenJDK21...
curl https://download.java.net/java/GA/jdk21/fd2272bbf8e04c3dbaee13770090416c/35/GPL/openjdk-21_windows-x64_bin.zip -o java.zip
echo Extracting JAVA ...
mkdir C:\java
tar -xf java.zip -C C:\java
REM Clean up
del java.zip
echo Done.
echo Adding JAVA to PATH ...
setx PATH "%PATH%;C:\java\jdk-21\bin"
echo Setting JAVA_HOME ...
setx JAVA_HOME "C:\java\jdk-21"
echo Done.
echo JAVA installed 
) else (
echo JAVA already installed
)

echo Downloading HMCL ...
curl -L https://github.com/huanghongxun/HMCL/releases/download/release-3.5.5/HMCL-3.5.5.exe > HMCL.exe
echo Done.

explorer .