@echo off
setlocal enableDelayedExpansion

:: Define CR to contain a carriage return (0x0D)
for /f %%A in ('copy /Z "%~dpf0" nul') do set "CR=%%A"

<nul set/p"=[*............]!CR!"
pause >nul
<nul set/p"=[**...........]!CR!"
pause >nul
<nul set/p"=[***..........]!CR!"
pause >nul