resizing 2 picture or more in one process (batch processing)

[Peter Garrett]

On Fri, 13 Oct 2006 06:26:12 -0700
Bruce Grubbs <mail at brucegrubbs.com> wrote:

> I don't use gthumb, but with Image Magick's mogrify command, I routinely 
> resize hundreds of images with one command, such as
> 
> mogrify -scale 1800x2700 *.tif
> 
> which will resize all the tif's in the current directory to 1800 pixels 
> wide OR 2700 high. Mogrify works much faster than any of the gui 
> programs I've used, such as GIMP. See man mogrify for more info, and 
> www.imagemagick.org for detailed doc.

There's also browsable information in

/usr/share/doc/imagemagick/index.html

Peter