#!/bin/sh [ -f 'downloads' ] && rm 'downloads' wget https://bitbucket.org/rivanvx/beamer/downloads >/dev/null 2>/dev/null if [ $? = 0 ]; then [ -f unfetchable ] && rm unfetchable grep ' Tags' < downloads | md5sum > new-sum touch sum if [ "$(cat sum)" = "$(cat new-sum)" ]; then rm new-sum else mv new-sum sum echo 'latex-beamer' fi rm downloads elif [ ! -f unfetchable ]; then touch unfetchable echo 'latex-beamer (unfetchable)' fi