@echo off
(
a
b
*
)2>%TEMP%\tempScript.txt

rem as we all know, the above script will make:
rem 'a' is not a recognized......
rem 'b' is not a recognized......
rem 'c' is not a recognized......
rem
rem and I want to remove everything except the strings
rem a
rem b
rem c
rem how can I do that?

pause