bash user input if

Question

I am tring to do simple

Do you want to do that? [Y,n] _

question in bash.

i tried

echo \"Do that? [Y,n]\"
read DO_T         


        

Answer 1

You can use case modification operator:

if [ "${DECISION^^}" = "Y" ]; then
...
fi

You can find more in bash manual under "Parameter Expansion".