#!/bin/bash
read -p "Are you sure?[y/n]:" sure
case $sure in
y|Y|Yes|YES)
echo "you enter Yes";;
n|N|NO|no)
echo "you enter No";;
*)
echo "error";;
esac
#!/bin/bash
read -p "Are you sure?[y/n]:" sure
case $sure in
y|Y|Yes|YES)
echo "you enter Yes";;
n|N|NO|no)
echo "you enter No";;
*)
echo "error";;
esac