<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/sh
allquotes | if [ "$1" ]; then
    if expr "$1" + 0 >/dev/null 2>&1; then
        sed "$1q;d"
    else
        grep -P -i -- "$1"
    fi
else shuf -n 1; fi