Script to parse and mail DHL tracking updates

monitordhl.sh

#!/bin/bash

URL='http://www.dhl.com/content/g0/en/express/tracking.shtml?brand=DHL&AWB=<INSERT_TRACKING_CODE_HERE>%0D%0A'
BULK="$(curl -s "$URL" | egrep -A1 -m1 '<td class=".*" style="width: 5% ;text-align:left">.+</td>' | egrep -o '>.+<' | sed 's/[><]//g')"
CODE="$(echo $BULK | cut -d " " -f1)"
CTLFILE=/root/ctlfile

if [ "$CODE" -ne "$(cat $CTLFILE)" ]; then
    echo $CODE > $CTLFILE
    mail -s "DHL Update" <INSERT_YOUR_EMAIL_HERE> < <(echo $BULK)
fi