uses yotta as an offline build system

runyt.bat

@echo off

rem set the yotta build target
yt target bbc-microbit-classic-gcc

rem make sure cpp file goes into source dir
copy source\examples\bluetooth-eddystone-url\main.cpp source

rem and config.json in the microbit-samples dir
copy source\examples\bluetooth-eddystone-url\config.json .

rem build the project
yt clean
yt build

rem flash your micro:bit
copy build\bbc-microbit-classic-gcc\source\microbit-samples-combined.hex F:

if not errorlevel 1 goto end
echo An error occurred during formatting.

:end
echo End of batch program.