Term::UI for bash (未完成)

term-ui

#!/bin/bash

CHOICES=$(echo "hoge foobar piyo")

CHOICES="${CHOICES} nothing"
NUM=$(echo $CHOICES | wc -w)

echo "question?"
for i in $(seq 1 $NUM); do
    echo "${i}) $(echo $CHOICES | cut -d ' ' -f $i)"
done

echo
read -p "Please enter numbers?[$NUM] : " ANSWERS
ANSWERS=${ANSWERS:-$NUM}

_FS="[, ]"
echo "${ANSWERS}" | awk -F "${_FS}" 'BEGIN { OFS=" " } $1 = $1 { print $0 }'
for A in $(echo $ANSWERS | awk -F "${_FS}" 'BEGIN { OFS=" " } $1 = $1 { print $0 }'); do
    declare -i __ANSWER=$A

    if [ $NUM = $__ANSWER ]; then
        echo "Canceled"
        exit 0
    elif [ $__ANSWER -le 0 -o $__ANSWER -gt $NUM ]; then
        echo "Invalid number"
        exit 1
    else
        echo $CHOICES | cut -d ' ' -f $__ANSWER
    fi
done