Write a shell script to check if the character entered by the user is in upper case, lower case, a digit or a special symbol?

echo “ Enter anything”

read n

case $n in

[ A – Z ] ) echo “ you have entered a character in uppercase”;;

[ a – z ]) excho “ you have entered a character in lowercase”;;

[ 0 – 9 ]) echo “ you have entered a digit”;;

* / echo “ Too many characters have been entered”

OUTPUT:

Enter anything                                                              

Hello

Too many characters have been entered