progressdemo.bat

@echo off
setlocal ENABLEEXTENSIONS ENABLEDELAYEDEXPANSION
prompt $G$S
set BAR_A=########################################
set BAR_B=%BAR_A:#=_%
set BAR_S=40
set C=500
echo.
for /L %%i in (0,1,%C%) do (
    call :progress %%i %C%
    rem timeout.exe /t 1 > NUL
)
conprint "\e]9;4;0\u0007"
echo.
goto :eof

:progress
set /A P=%1*100/%2
set /A A=%1*%BAR_S%/%2
set /A B=%BAR_S%-%A%
conprint "\r[!BAR_A:~0,%A%!!BAR_B:~0,%B%!] %1/%2 %P%%%%%"
conprint "\e]9;4;1;%P%\u0007"
goto :eof