#!/bin/sh
id=$1
if ! expr "$id" ">=" 0 "&" "$id" "<" $(wc -l <quotes) >/dev/null; then id=$(expr $RANDOM % $(wc -l <quotes); fi
head -n $((id-1)) quotes >quotes.new
tail -n +$((id+1)) quotes >>quotes.new
diff quotes quotes.new >/dev/null && exit 1
printf "*poof*%s" "$(quote $id | cut -d')' -f2-)"
mv quotes.new quotes