websiteurl1 username1 password1
websiteurl2 username2 password2
websiteurl3 username3 password3

FOR /F "tokens=2,3 delims= " %%A IN (URL.txt) DO IF EXIST URL.txt (set WEBUserName1=%%A) && (SET WEBUserPass1=%%B)
pause
echo Username:"%WEBUserName1%"
echo Password:"%WEBUserPass1%"
pause
exit