#!/usr/bin/env bash

wrap() {
	local width="$1"
	local len=0

	while read -r -a line; do
		for word in "${line[@]}"; do
			((len += "${#word}" + 1))
			#printf '%s' "$len"
			if ((len >= width)); then
				printf '\n'
				# ruler "$width"
				len=${#word}
			fi
			printf '%s ' "$word"
		done
	done
	printf '\n'
}

ruler() {
	for ((i = 0; i < $1; i++)); do
		printf '%s' "${2:--}"
	done
	printf '\n'
}

if [[ "${BASH_SOURCE[0]}" == "$0" ]]; then
	wrap "$@"
fi