nixos-config/users/simon/files/scripts/mkvextract-all-attachments

#!/usr/bin/env bash
mkvextract "$1" attachments $(mkvmerge --identify "$1" | grep "Attachment ID" | sed "s/Attachment ID \([0-9]*\): .*/\1/")
	`#!/usr/bin/env bash`
	`mkvextract "$1" attachments $(mkvmerge --identify "$1" \| grep "Attachment ID" \| sed "s/Attachment ID \([0-9]\): ./\1/")`