Colored output in windows batch files https://git.io/matrix

matrix.cmd

@echo off
SETLOCAL EnableDelayedExpansion
for /F "tokens=1,2 delims=#" %%a in ('"prompt #$H#$E# & echo on & for %%b in (1) do rem"') do (
  set "DEL=%%a"
)

set backgroundcolor=0
set /a i=0

:startloop

set "color=%backgroundcolor%%i%"
sleep 0.1
call :writeLn %color% "The Matrix has you"

if /i "%i%" geq "9" (
  set /a i=1
) else (
  set /a i+=1
)

goto :startloop

exit /b

:write
echo off
<nul set /p ".=%DEL%" > "%~2"
findstr /v /a:%1 /R "^$" "%~2" nul
del "%~2" > nul 2>&1
exit /b

:writeLn
  call :write %1 "%~2"
  echo:
exit /b