But please take a snapshot of the planet first

Install the package kdegraphics-thumbnailers, and then depending on the file manager you may have to enable previews, e.g. in Dolphin > Configure Dolphin > Interface > Previews.

Does anyone know how well it scales? I’m using Shotwell at the moment and it’s becoming very slow

Awk has the advantage over Perl/Python/etc. that it’s standardized by POSIX. Therefore you can rely on it on all operating systems. It’s pretty much the only advanced scripting language available that is POSIX – the alternative would be some heavy shell scripting or almost-unreadable sed.

Everybody prefers Stollen with Marzipan

Does sending SIGQUIT behave differently than sending SIGTERM?

I use Dired mode in Emacs which I guess also counts as one of those. I find it very convenient because it’s integrated into Emacs. Also, I wouldn’t like to use the mouse for file management.