Thanks for the many many responses, too numerous to give
credit to individuals (STOP THE FLOOD! :)
The answers included ImageMagick (this installed relatively painlessly and
and seems usefull for other graphic tricks)
PBM, netpbm, pbmplus and other variations
cjpeg/djpeg - tools within jpegsrcv6. This was the easiest solution.
It is available at ftp.uu.net/graphics/jpeg
-=-=-=-=-=-=-=-=-=-=-=- generated by /dev/dave -=-=-=-=-=-=-=-=-=-=-=-=-=-=
David Stern NASA Headquarters
202-358-0438 Boeing Information Systems
This archive was generated by hypermail 2.1.2 : Fri Sep 28 2001 - 23:11:10 CDT