askyn

#!/bin/bash

ask_y_n() #$1 - question
{
    echo -n "$1 [Y/N]: "
    while [ 1 -eq 1 ];do
    read -s -n1

    case "$REPLY" in
        [yY])
        echo
        return 0
        ;;
        [nN])
        echo
        return 1
        ;;
    esac
    done
}


ask_y_n "Run it?"

if [ "$?" -eq 0 ];then
    echo "User ask YES!"
else
    echo "User ask NO :("
fi