check_latest_archlinux_iso.sh

#!/bin/sh

ret=1
SUMS="md5sums.txt"
OLD_SUMS=".latest_arch"

rm -rf $SUMS
wget http://archlinux.polymorf.fr/iso/latest/$SUMS 2> /dev/null

if [ ! -f $OLD_SUMS ]; then
    echo build
    ret=0
else
    diff $SUMS $OLD_SUMS > /dev/null
    if [ $? -eq 1 ]; then
        echo build
        ret=0
    fi
fi

mv $SUMS $OLD_SUMS
exit $ret