In article <4ugb77$10r at elle.eunet.no>, john.norheim at login.eunet.no (John
> Converting *.tif - files
>> Problem: Converting all *.tif - files in a directory from
> color to black-white.
A Macintosh with Photoshop and the free Photomatic plugin (from Daystar
<http://www.daystar.com> ) installed will allow you to record the steps to
grayscale conversion (or any other manipulation steps) in Photoshop. The
steps can be played back for batch processing. This is a bulky method for
such a simple task but it works and simpler methods don't come to my mind.