shell-script-basic

#!/bin/bash
killall -9 java
killall -9 java
if [ -s  /local1/folder2/filename ]
       then
          line_no=$(awk '{x++} END {print x}' /local1/folder2/filename)
else
  echo "File does not exist. Exiting..."
  exit 1
fi
while [ $line_no -gt '4' ]
do
        service xxxx start
        sleep 2m
        killall -9 java
		killall -9 java
        line_no=$(awk '{x++} END {print x}' /local1/folder2/filename)
done
if [ $line_no -eq 4 ]
then
	if grep -qs text /local1/folder2/filename
		then
		service xxxxx start
	else
	cat <<EOF  >> /local1/folder2/filename
Insert into .......

EOF
service xxxx start
	fi
else
exit 1
fi