fizzbuzz

#!/usr/bin/env bash
#
set -e

BREAK_AGAIN=

fizzbuzz () {
    local n
    for n in {1..100}; do
        { (( n % 15 == 0 )) && echo 'FizzBuzz'; } ||
        { (( n % 5  == 0 )) && echo 'Buzz'    ; } ||
        { (( n % 3  == 0 )) && echo 'Fizz'    ; } ||
        echo "$n"
    done
}

main () {
    echo "Running and debugging $0 ..."

    echo "Starting a pipeline to compute fizzbuzz and totals..."
    fizzbuzz \
       |
    (declare -A totals=()
     while read -r line; do
         echo "$line"
         if [[ $line != [0-9]* ]]; then
             (( ++totals[$line] ))
         fi
     done

     # we'll have the second break point here if BREAK_AGAIN is set to non-empty
     [[ ! ${BREAK_AGAIN:-} ]] || source tbd.sh

     echo
     printf "There are %d Fizz, %d Buzz, and %d FizzBuzz!\n" \
         "${totals[Fizz]:-0}" \
         "${totals[Buzz]:-0}" \
         "${totals[FizzBuzz]:-0}"
    )

    echo "--- The End ---"
}


source tbd.sh   # first break point

main "$@"