adding text to JPEGs, in bulk

[Marc Schwartz]

Tim wrote:
> Hi,
> 
> Is there an easy way to add some text to a collection of JPEGs?  For
> instance, I'd like to stamp the words "PROOF" across a collection of
> JPEGs I'm showing someone to pick out which ones they'll buy copies of,
> showing them a full sized, full quality, version of the images, but ones
> that they can't just nick.  I really don't want to have to hand modify
> each image in turn, there's about 300 of them.

I have not used it, but you could probably build a shell script around 
the ImageMagick 'composite' CLI tool.

See 'man composite' and more information here:

   http://www.imagemagick.org/script/composite.php

HTH,

Marc Schwartz