<b_jonas> slashlearn ance//Spelling of -ance/-ence words: advance, science, conference, experience, finance, insurance, licence, performance, reference, assistance, balance, defence, difference, distance, evidence, acceptance, appliance, audience, compliance, importance, influence, instance, intelligence, maintenance, preference, presence, sentence, sequence, substance, violence, absence, accordance, alliance, appearance, assurance, attendance, circumstance, clea

#!/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 --random-source=/dev/urandom -n 1; fi