clear

echo "enter the file name"

read fname1

echo "enter the contents of $fname1 and press ctrl+d"

cat >$fname1

echo "enter the file name 2"

read fname2

echo "enter the contents of $fname2 and press ctrl+w"

cat >$fname2

echo "enter the pattern"

read ptrn

#echo $ptrn $fname1 $fname2

grep -i $ptrn $fname1 $fname2

fgrep -i $ptrn $fname1 $fname2