On 09/10/2005, at 2:43 PM, Bernhard Praschinger wrote:
AnY good way to batCh process this on the CLI besides a for loop and
ppntojpeg?
I would use convert this way:
for i in *.pnm; do convert $i `basename $i pnm`jpg; done
convert can do the conversation to nearly every picture format.
Convert is a part of the imagemagick package. It needs to be
installed first.
My personal favourite for converting to JPEG from PPM is to use the
jpeg utilities themselves, they are installed when you install the
jpeg libraries.
The tool is called cjpeg and you can specify the quality and type of
jpeg (progressive, optimised etc)
Typical usage might be:
cjpeg -qual 95 -opt foo.ppm > foo.jpg
It has heaps of other options for advanced jpeg users, check out the
man page.
Mark
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