Shell Programming and Scripting

function processLogs {


	printf "\n"
	printf "Checking the log files exist and are writeable \n"
	printf " \n"
	printf "contents of $LOG_DIR are: \n"
	ls $LOG_DIR
	printf "\n"

	# check to see there are any run.sh process running
	if [ `/bin/pidof -x run.sh | wc -l` = 0 ]
	then
   	for log in "${dir_array[@]}".log
    	do
       	 	if [ -e "$LOG_DIR/$log".log ]
		then 
			# file exists, so archive it and create a new version 
	        	mv -f $LOG_DIR/$log.log $LOG_DIR/archive/`eval date +%Y%m%d-%k:%m`-$log.log
			printf "Moved $log.log to archive/$log.log \n"
			# let's make it non-writeable too so it can't be re-used by accident
			chmod -w $LOG_DIR/archive/`eval date +%Y%m%d-%k:%m`-$log.log
			touch $LOG_DIR/$log.log # create new files
	   		chmod a+w $LOG_DIR/$log.log
		elif [ ! -e "$LOG_DIR/$log".log ] 
		then
			# log file doesn't exist so create and make it writeable
			printf "Log file $log.log doesn't exist, creating it \n"
			touch $LOG_DIR/$log.log 
	   		chmod a+w $LOG_DIR/$log.log
		elif [ ! -w "$LOG_DIR/$log".log ]
		then
	   		# log file exists but isn't writeable
				# printf "logfile $log isn't writeable, correcting it \n"
		   	chmod a+w $LOG_DIR/$log.log
		fi
    	done
	else
		printf "there are running processes so left log files alone \n"
		#printf "processes are: \n"
	    	#ps -ef | grep "run.sh" | grep -v grep | awk '{print $2}'
	fi
	printf "contents of $LOG_DIR are: \n"
	ls $LOG_DIR
	printf "\n"
}

for log in "${dir_array[@]}".log

for log in "${dir_array[@]}"
do
   log=$log.log
   ...and the rest