echo off
cls
type a1.scr                                                  
pause
cls
type b2.scr                                                       

if exist project1.dat del project1.dat
if exist project1.aud del project1.aud
if exist project1.acv del project1.acv

if exist a:\project1.dat copy/v a:\project1.dat > nul
if exist a:\project1.aud copy/v a:\project1.aud > nul
if exist a:\project1.acv copy/v a:\project1.acv > nul

cls
type b3.scr                                     
pause 
cls
type project1.scr