<oren> ` echo \'welcome | sed -e "s/th/\xce\xb8/g;s/ch/\xcf\x87/g;s/q/\xce\xba\xcf\x85/;s/w/\xce\xbf\xcf\x85/g;s/W/\xce\x9f\xcf\x85/g;y/ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz/\xce\x91\xce\x92\xce\x9a\xce\x94\xce\x95\xce\xa6\xce\x93\xce\x97\xce\x99\xce\xaa\xce\x9a\xce\x9b\xce\x9c\xce\x9d\xce\x9f\xce\xa0\xce\xa8\xce\xa1\xce\xa3\xce\xa4\xce\xa5\xce\x92\xce\xa9\xce\x9e\xce\x97\xce\x96\xce\xb1\xce\xb2\xce\xba\xce\xb4\xce\xb5\xcf\x86\xce\xb3\xce\xb7\xce\xb9\xcf\x8a\xce\xba\xce\xbb\xce\xbc\xce\xbd\xce\xbf\xcf\x80\xcf\x88\xcf\x81\xcf\x83\xcf\x84\xcf\x85\xce\xb2\xcf\x89\xce\xbe\xce\xb7\xce\xb6/"\' >bin/\xce\xbf\xcf\x85\xce\xb5\xce\xbb\xce\xba\xce\xbf\xce\xbc\xce\xb5

#!/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)