You may want to have a look at:
http://www.daemonnews.org/200004/managing.html
This is a very nice tutorial on how to convert jpeg to gif thumbnails from
the command line -- hence can be scripted.
On Thu, 25 Jan 2001, Mick Raynes wrote:
> Can anyone offer us assistance with converting/saving a jpg image as png?
>
> We have around 5000 images which come in at around 150kb each. We are
> hoping to convert the images to png because down the track we are hoping to
> convert them to thumbnails on the fly. The images will only be presented on
> the net (assume browser capability)and it is pretty important that we retain
> colour and shadow integrity. We have limited experience with Gimp however
> we are pretty confident that it will fit the bill and that once we determine
> the process we will be able to batch convert the images. The original jpg's
> are not all in the same format as they are taken with different digital
> cameras with different settings. Our aim would be to reduce the original
> jpg 1000 by 1000 and 120kb (as an eg) to a png 500 by 500 and about 30kb.
> As an example we have posted an original jpg image on the net at
> www.tablelandsonline.net.au/_test/lychee.jpg
>
>
> Cheers
> Mick
>
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Jim Freeze
[EMAIL PROTECTED]
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