fizzbuzz bash

fizzbuzz.sh

number_to_fizzbuzz()
{
	if [ $# -ne 1 ]; then
		echo "Usage: $FUNCNAME NUMBER"
		return 1
	fi

	local output=""
	local number=$1
	if [ $(($number % 3)) -eq 0 ]; then
		output="${output}fizz"
	fi
	if [ $(($number % 5)) -eq 0 ]; then
		output="${output}buzz"
	fi
	if [ -z "$output" ]; then
		output="$number"
	fi
	echo $output
}

fizzbuzz()
{
	if [ $# -ne 2 ]; then
		echo "Usage: $FUNCNAME START END"
		return 1
	fi

	local start=$1
	local end=$2
	for i in $(seq $start $end); do
		number_to_fizzbuzz $i
	done
}

fizzbuzz 1 100