On Sun, Sep 16, 2012 at 3:53 PM, Teemu Likonen <tlikonen@iki.fi> wrote:
> Maybe not what you are asking for but one can get the desired output
> with these:
>
> $ awk 'NR >= 1 && NR <= 3 { print }' inputfile
>
> $ head -n3 inputfile
>
> $ sed -n 1,3p inputfile
>
thanks, Teemu. i already know that, but right now i need to understand
how passing for loop bash variables to awk works.