<oerjan> le/rn scowrevs///hackenv/share/scowrevs is a list of repository revision ranges that affected a lot of files but in the end changed nothing (usually because of a revert at the end). Most of our custom repository lookup commands ignore these to reduce noise.

#!/bin/bash
who="${1% }" who="${who,,}"
arr=(/var/irclogs/_esoteric/????-??-??.txt)
gawk -vw="$who" -vOFS=":" '
tolower($2) ~ w{x=$0} ENDFILE{if(x){print substr(FILENAME,1,10), x; exit}}
' < <(for ((i=${#arr[@]}-1; i>=0; i-- )); do echo ${arr[i]}; done)