#!/bin/bash APP=stenoloss lf=/tmp/$APP-pidLockFile # create empty lock file if none exists cat /dev/null >> $lf read lastPID < $lf # if lastPID is not null and a process with that pid exists , exit [ ! -z "$lastPID" -a -d /proc/$lastPID ] && exit echo $$ > $lf # Get the data DROP=$(tac /var/log/stenographer/stenographer.log | grep -m1 drop | awk '{print $14}' | awk -F "=" '{print $2}') echo "stenodrop drop=$DROP"