Untitled

#get the current ip

curl curlmyip.com > new_ip.txt

 

#compare the  current ip with the former ip

find new_ip.txt

find old_ip.txt

result=$(diff -y -W 72 new_ip.txt old_ip.txt)

 

#If it hasnt changed

if [ $? -eq 0 ]

then

echo "no change"

 

#if it has changed

else

echo  "ip updated , sending email"

FROM="Biko@knightwise.com"

TO="feedback@knightwise.com"

SUBJECT=`date`

 

#send out new ip

sendemail -f "$FROM" -t "$TO" -u "Ip update for $SUBJECT" -m `cat new_ip.txt` -s out.telenet.be

 

#log new ip as current ip

mv -f new_ip.txt old_ip.txt

fi