if [ "$#" -ne 3 ]
then
        echo 
        echo "-----  There are three arguments which is expected to run this script!  -----"
		echo "-----  You have written : $0 $@  -----"
		echo "-----  USAGE: "$0" [Full path of desired directory] [State] [ Date : since how many days ago the script should check the logs? ]  -----"
        echo "-----  i.e.  "$0" /opt/data/logs 1000 7  -----"
        echo
elif [ "$#" -eq 3 ]
then
        log_dir=$1
        first_char=$"log_dir:0:1"
        echo "$first_char"
		 
        if [ "$first_char" -eq "/" ] && [ -d "$log_dir" ]
        then  
			
			for j in `find $log_dir -type f \( -name "profile[1-4].log" -o -name "profile[1-4].log.2014-[0-9][0-9]-[0-9][0-9]-[0-9][0-9]" \) -mtime -$3 2>/dev/null | sort -t- -k 4,4`;
			do
			echo "$j" && nawk -v stat=$2 '/State=\[stat\]  Action.*in/gsub(/^\[|\]/,"",$(NF-1)){sum+=$(NF-1)} END { print "Average Process Time = ",sum/NR}' $j;
			done;

		else
			echo 
			echo "-----  You have written  : $0 $@  -----"
			echo "--- Enter the full path of logs which is first argument  \""$1"\"  correctly ---"
			echo "-----  USAGE: "$0" [Full path of desired directory] [State] [ Date : since how many days ago the script should check the logs? ]  -----"
			echo "-----  i.e.  "$0" /opt/data/logs 1000 7  -----"
			echo
		fi
fi

file2:

1000 ChargingRenewal State
2000 Notification State
7000 Fulfilment State
....

echo "$j" && nawk -v stat=$2 '/State=\[stat\]  Action.*in/gsub(/^\[|\]/,"",$(NF-1)){sum+=$(NF-1)} END { print "Average Process Time for XXXX State = ",sum/NR}' $j file2