Shell Programming and Scripting

while read line;
do
	
	stringtocheck=($line)
	
	echo $stringtocheck
	if [[ "$stringtocheck" == *www.* ]]
	then
		//do things
	fi
	
done < './tempfile'

stringtocheck=("$line")
echo "$stringtocheck"

while read line
do
   if [ $(echo "${line}"|grep -c "www\..*") -ne 0 ]
	then
		//do things
	fi
	
done < './tempfile'

stringtocheck=$line

while read line;
do
  if [[ "$line" == *www.* ]]; then
    #do things
  fi
done < ./tempfile

while read line;
do
  case $line in 
    *www.*) #do things
  esac
done < ./tempfile

 
awk '/www/' filename