Script to parse and mail DirectLog tracking updates

monitordirect.sh

#!/bin/bash

# This script requirest 2 parameters
# $1 = Tracking Number
# $2 = Your mail address
# Didn't do a if check because I'm fat and lazy, deal with it

URL="http://www.directlog.com.br/track_individual/index.asp?flagOC=&fase=0&tipo=0&numtracking=$1"
BULK="$(curl -s "$URL" | egrep '<b>.*<br></b><br>' | tail -1 | sed -r "s/<(br|\/?b)>//g")"
CTLFILE=/tmp/ctldirect

test -z "$BULK" && exit 1

if [ "$BULK" != "$(cat $CTLFILE)" ]; then
    echo $BULK > $CTLFILE
    mail -s "DirectLog Update $1" $2 < <(echo $BULK)
fi