#!/bin/bash

prefix='a_'

mkalias_with_prefix()
{
    alias ${prefix}$1="$1"
}

ask_continue()
{
    read -p "Продолжить [Y/n]?:" answ 
    if [[ "${answ}" == "n" || "${answ}" == "N" ]]; then 
        echo "Отменено" 
        return 0
    fi
    return 1
}