how could I include background color when printing a text file?

[Dan McManus]

> > In my fantasy land, I want to take a text file, feed it to lpr, and have it print every other line with a light gray background. I have been googling like mad but I can't find a good solution. I would imagine that I could take the text file, feed it into another application and print from there, but how I would be able to script such a thing is beyond me. Any suggestions?
> >
> > Thanks
>
>
>     a2ps -P display -1 --prologue=matrix --medium=A4 /etc/cups/mime.types
>
> ( http://bugs.kde.org/attachment.cgi?id=20081&action=view )

That works. Many thanks!