#!/bin/bash
alert() { echo -en "\007" 1>/dev/null 2>&1 }
whereis unrar 1>/dev/null 2>&1 || exit 0
RAR="$(find "$(pwd)" -maxdepth 1 -type f -iname "*.rar"|head -n 1)"
unrar e "${RAR}" 1> /dev/null
if [ $? -eq 0 ]
        then
                alert
                sleep 1
                alert
                sleep 1
                alert
fi