diff options
Diffstat (limited to 'monitor.sh')
| -rwxr-xr-x | monitor.sh | 23 |
1 files changed, 20 insertions, 3 deletions
@@ -3,14 +3,16 @@ # SJP 16 August 2014 # Monitor my external IP address -# set up logfile cd ~/mail/monitor +# set up logfile if (test -e data/tmp.*) then datafile=$(ls data/tmp.*) + newfile=0 else datafile=`mktemp --tmpdir=data` + newfile=1 fi # echo "datafile = $datafile" @@ -18,10 +20,25 @@ fi ip=$(curl ifconfig.me/ip) [ ${#ip} = 0 ] && ip="Timed out" # Could also do [ -z $ip ] - dt=$(\date +%Y-%m-%dT%T%:z) +# either write date + IP to new file or compare IPs +# write date and IP address to file but delete if it's a dud +if (test "$newfile" -eq 1) then + echo -e "$dt\t$ip" > $datafile + [ "$ip" == "Timed out" ] && rm $datafile + +else # datafile already exists, so compare + read line < $datafile + oldip=$(echo $line | awk '{print $2 }') + if (test "$ip" != "$oldip") then + . notifynewip.sh + rm $datafile + fi +fi + + + -echo -e "$dt\t$ip" >> $datafile |