Thanks florian, that solution is exactly what i wanted.

I dont suppose you know of a way to print a html page to .ps or .pdf as a
browser would see it from command line?  The conversion program i am using
(http://www.tufat.com/script19.htm) works great, but it takes a while and
uses alot of cpu time. The html2ps commnad line option work for basic pages,
but for javascript heavy pages it doesn't seem to work as well (although, im
still teaching myself to use it correctly).

Cheers

Will



On 7/5/07, Florian Kulzer <[EMAIL PROTECTED]> wrote:

On Thu, Jul 05, 2007 at 16:38:25 +1000, Will Parkinson wrote:
> Just wondering if anybody knows how to convert a color postscript
document
> to a black and white one? I need to send it though a hylafax and the
> quality is better if everything is black and white.

You can use ghostscript with the "psgray" device:

gs -q -dNOPAUSE -dBATCH -sDEVICE=psgray -sOutputFile=gray.ps color.ps

You can also try half-toned images produced by "psmono":

gs -q -dNOPAUSE -dBATCH -sDEVICE=psmono -sOutputFile=mono.ps color.ps

--
Regards,            | http://users.icfo.es/Florian.Kulzer
          Florian   |


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