<b_jonas> slashlearn farbfeld//zzo38\'s Farbfeld utilities is a package of command-line programs (with rather strange command-line syntax) for manipulating images in a specific raw format called farbfeld. It\'s somewhat underdocumented. http://zzo38computer.org/fossil/farbfeld.ui/home

#!/bin/sh
find /var/irclogs/_esoteric -mindepth 1 -maxdepth 1 -type f -name '????-??-??.txt' | sort -r | xargs -d'\n' -r tac -- | grep "^..:..:..: <$1>" | head -n 1