urlencode - percent-encode/decode text

Usage:
  curl --data-binary @- https://ttykit.com/urlencode/encode   < input
  curl --data-binary @- https://ttykit.com/urlencode/decode   < input

Query params:
  uri=1   use encodeURI/decodeURI instead (preserves URL-structural characters
          like / ? & : so you can encode a whole URL, not just one component)

Examples:
  echo -n "hello world & more!" | curl --data-binary @- https://ttykit.com/urlencode/encode
  echo -n "hello%20world" | curl --data-binary @- https://ttykit.com/urlencode/decode