We often write quick bash scripts and judging by the comments, half of us use bash or a similar shell to pop out quick, useful scripts, and half of us think that’s an abomination, and you should only ...

Here's what I'd like to do: take a directory full of grayscale images, switch them to RGB in the Gimp, add a layer of a certain color, change the layer to screen instead of normal, flatten the image, ...