#!/bin/sh [ -f 'pony' ] && rm 'pony' wget http://hackage.haskell.org/package/pony >/dev/null 2>/dev/null if [ $? = 0 ]; then [ -f unfetchable ] && rm unfetchable md5sum < pony > new-sum touch sum if [ "$(cat sum)" = "$(cat new-sum)" ]; then rm new-sum else mv new-sum sum echo 'pony' fi rm pony elif [ ! -f unfetchable ]; then touch unfetchable echo 'pony (unfetchable)' fi