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-rwxr-xr-xcompare.sh38
-rwxr-xr-xmonitor.sh8
-rw-r--r--readme.md0
3 files changed, 44 insertions, 2 deletions
diff --git a/compare.sh b/compare.sh
new file mode 100755
index 0000000..1db6a21
--- /dev/null
+++ b/compare.sh
@@ -0,0 +1,38 @@
+#!/bin/bash -
+# SJP August 2014
+# Reads logfile of IP address records created by monitor.sh
+# When IP address changes it sends an email"
+
+
+cd ~/mail/monitor
+
+if (test -e data/tmp.*) then
+ datafile=$(ls data/tmp.*)
+else
+ exit
+fi
+
+
+#i=0
+#while read line
+#do
+# i=$[i+1]
+# echo $i, $line
+#done < $datafile
+
+# Get the IP address from the first line
+read firstline < $datafile
+
+firstip=$(echo $firstline | awk '{ print $2 }')
+
+# sec=$(echo $firstline | awk '{ print $1 }')
+
+echo "First = $firstip"
+
+lastline=$(tail -1 $datafile)
+
+lastip=$(echo $lastline | awk '{ print $2 }')
+
+echo "Last = $lastip"
+
+[ "$lastip" = "$firstip" ] && echo 'match' || echo 'different'
diff --git a/monitor.sh b/monitor.sh
index e902c86..bebc07c 100755
--- a/monitor.sh
+++ b/monitor.sh
@@ -1,4 +1,4 @@
-#! /bin/sh -
+#! /bin/bash -
# SJP 16 August 2014
# Monitor my external IP address
@@ -13,11 +13,15 @@ else
datafile=`mktemp --tmpdir=data`
fi
-echo "datafile = $datafile"
+# echo "datafile = $datafile"
ip=$(curl ifconfig.me/ip)
+[ ${#ip} = 0 ] && ip="Timed out"
+# Could also do [ -z $ip ]
+
dt=$(\date +%Y-%m-%dT%T%:z)
+
echo -e "$dt\t$ip" >> $datafile
diff --git a/readme.md b/readme.md
deleted file mode 100644
index e69de29..0000000
--- a/readme.md
+++ /dev/null