#!/usr/bin/env bash
set -o errexit
set -o nounset
set -o pipefail

url="${1:-}"
basedir=$(dirname "$0")

if [[ "${url:-}" = "" ]]; then
  grep --only-matching --extended-regexp '[a-zA-Z]{3,}' "$basedir/README.md" | tr '[:upper:]' '[:lower:]' | grep --invert-match --word-regexp --fixed-strings --file=stopwords.txt | sort | uniq --count | sort -n
else
  curl "$url" | grep --only-matching --extended-regexp '[a-zA-Z]{3,}' | tr '[:upper:]' '[:lower:]' | grep --invert-match --word-regexp --fixed-strings --file=stopwords.txt | sort | uniq --count | sort -n
fi