#!/bin/bash
topic=$(echo "$1" | lowercase | sed 's/^\(an\?\|the\) //;s/s\?[:;,.!?]\? .*//')
[ -e "$HACKENV/wisdom/$topic" ] && verb="Relearned" || verb="Learned"
echo "$1" >"$(echo-p "$HACKENV/wisdom/$topic")"
echo "$verb '$topic': $1"