Some Prompt stuff I used a few times...just keeping for reference.

gistfile1.txt

#!/bin/bash

#Taken from:
#https://gist.github.com/1965569

function ask {
    while true; do
 
        if [ "${2:-}" = "Y" ]; then
            prompt="Y/n"
            default=Y
        elif [ "${2:-}" = "N" ]; then
            prompt="y/N"
            default=N
        else
            prompt="y/n"
            default=
        fi
 
        # Ask the question
        read -p "$1 [$prompt] " REPLY
 
        # Default?
        if [ -z "$REPLY" ]; then
            REPLY=$default
        fi
 
        # Check if the reply is valid
        case "$REPLY" in
            Y*|y*) return 0 ;;
            N*|n*) return 1 ;;
        esac
 
    done
}

commands=(
"echo 1"
"echo 2"
"echo 3"
);
for command in "${commands[@]}"
do
	${command};
	if ask "proceed?" N; then
		echo ;
	else
		echo "DEPLOYMENT ABORTED."
		exit;
	fi
done
echo "DEPLOYER COMPLETE."