1@echo off 2set model=opus_data-%1.tar.gz 3 4if not exist %model% ( 5 echo Downloading latest model 6 powershell -Command "(New-Object System.Net.WebClient).DownloadFile('https://media.xiph.org/opus/models/%model%', '%model%')" 7) 8 9tar -xvzf %model% 10