12-01-2009
1. Use crontab to run every fifteen minutes, key "man crontab" in shell.
2. This script may work <script.sh <your text to grep>:
#!/usr/bin/ksh
thelog="/your/local/logpath"
user=$1
lines="50"
run () {
num1=$(cat -n $thelog |grep $1 |awk '{print $1}' |head -1)
num2=$(expr $num1 - $lines)
if [ $num1 -gt 50 ]
then
results=$(cat -n $thelog |sed -n "$num2,${num1}p")
else
results=$(cat -n $thelog |sed -n '1,50p')
fi
echo "$results" |mailx -s "blabla"
yourmailbox@nospamplease.com
}
run $user;
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