How to make an animated bash shell prompt for the terminal?

Question

I want to make an animated curser prompt in the terminal(Ubuntu 14.04),
so i make this script:

while [ : ]
do
    echo -ne \'|\\r\'
    sleep 0.3
    echo -         


        

Answer 1

echo -ne '一\r'
#         ^
#         |
#         \--- problem

This character should be a hyphen, but is actually something called CJK Ideograph, First