Want read and an built in enter key stroke

Shell Programming and Scripting
1

i have script like:
echo "enter name"
read a

I do not want to press enter key
i have tried with ascill of enter as (\013) but still it wait for enter ,
please resolve my problem

2

You may have to use a loop here to break when 'a' is selected and then take whatever action is needed.

3

stil it is not clear,please help