#!/bin/bash APP=checkfiles 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 $$ > $lf FILES=$(ls -1x /host/nsm/faf/complete/ | wc -l) echo "faffiles files=$FILES"