checkbox_input_example.sh

#!/bin/bash
set -e

SOURCE="${BASH_SOURCE[0]}"
while [ -h "$SOURCE" ]; do # resolve $SOURCE until the file is no longer a symlink
  DIR="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
  SOURCE="$(readlink "$SOURCE")"
  [[ $SOURCE != /* ]] && SOURCE="$DIR/$SOURCE" # if $SOURCE was a relative symlink, we need to resolve it relative to the path where the symlink file was located
done
DIR="$( cd -P "$( dirname "$SOURCE" )" && pwd )"

PARENT_DIR=$(dirname "$DIR")
source $PARENT_DIR/dist/checkbox_input.sh

hawker_centres=( 'Old Airport Road Hawker Centre' 'Golden Mile Food Complex' 'Maxwell Food Centre' 'Newton Food Centre' )
checkbox_input "Which hawker centres do you prefer?" hawker_centres selected_hawkers

drinks=( 'Teh' 'Teh Ping Gao Siu Dai' 'Kopi O' 'Yuan Yang' )
checkbox_input "Which drinks do you prefer?" drinks selected_drinks
echo "Preferred Hawker Centres: $(join selected_hawkers)"
echo "Preferred Drinks: $(join drinks)"