qn3.sh

#Write a shell script that accept two file names and check if both exists.If the second filename exists,then the contents ofthe first filename should be appended to it
echo "enter the file name 1"
read a
echo "enter second file name"
read b
(ls $a.txt && echo file1 exist && p=y && echo $p)|| echo file1 does not exist
(ls $b.txt && echo file2 exist && q=y && echo $q)|| echo file2 does not exist
if [ $q=$y ]
then
cat $a.txt >> $b.txt
else
touch $b.txt
cp $a.txt $b.txt
fi