Scheduled WSL Backup Batch Script for Windows

CreateWSLBackup.bat

REM Requires 7zip or NanaZip to be installed

@echo off
set datestamp=%DATE:~10,4%%DATE:~4,2%%DATE:~7,2%
cd C:\WSL-Backup

echo "Exporting WSL image..."
wsl --export Ubuntu-20.04 .\Ubuntu-20.04.tar

echo "Zipping WSL export..."
7z a -mx6 .\Ubuntu-20.04-%datestamp%.7z .\Ubuntu-20.04.tar

echo "Deleting WSL export..."
del /q .\Ubuntu-20.04.tar

echo "Deleting older exports..."
forfiles /m *.7z /d -1 /c "cmd /c del @path"