#!/bin/sh wget http://dooble.sourceforge.net/ >/dev/null 2>/dev/null if [ $? = 0 ]; then [ -f unfetchable ] && rm unfetchable grep Release < index.html | md5sum > new-sum touch sum if [ "$(cat sum)" = "$(cat new-sum)" ]; then rm new-sum else mv new-sum sum echo 'dooble' fi rm index.html elif [ ! -f unfetchable ] touch unfetchable echo 'dooble (unfetchable)' fi