> Example:
> httrack.ex www.domain.com/index.aspx -O
> "E:\Dir1\Dir2" -*
> +http://www.domain.com/list.aspx?&tipnek=*&podtip=*
> -http://www.domain.com/list.aspx?&tipnek=*&podtip=*&
> * -C1 -p1 -z -q 
> 
> How to use etag or last modified options in httrack
> command line to download only dose pages that have
> been changed?   
> 

Since the filters contain ampersand and asterisks, you're going to have to
quote them.

<http://httrack.com/html/fcguide.html> says replace -C1 with -iC2 or --update