[sohkamyung]

Which is why I use graphicsmagick [1] instead. The imagamagick executables becomes options behind the 'gm' executable.

[1] http://www.graphicsmagick.org/

[igravious]

Can't believe I never heard of GraphicsMagick. Thanks for the heads up. I wonder if it has a Ruby interface.

[patio11]

IIRC yes but, since it leaked memory like a sieve, I did everything via system("gm ...")

(This memory is a few years out of date.)