<hppavilion[2]> le/rn hppavilion/hppavilion is the generator including, but not limited to, hppavilion[1], hppavilion[2], and hppavilion[42]. hppavilion is of length 37-42i-28j+4k-28ij+38ik+62jk+20ijk

#!/bin/bash
topic=$(echo "$1" | lowercase | sed 's/^\(an\?\|the\) //;s/s\? .*//')
echo "$1" >>"wisdom/$topic"
echo "I knew that."