@echo off
setlocal
cd /d %~dp0
set err=0
for /f "tokens=*" %%d in ('dir /b/a:d') do (
  call %%d\build.bat
  fc %%d\EXP=* %%d\OUT=*
  if errorlevel 1 (
    set err=1
    color 47
    pause
    color
  )
)
if %err% == 1 color 0C
if %err% == 0 color 0A
pause
color