name: capitalize_words
command: echo -n {{word}} | awk '{print toupper($0)}'
environment:
  docker_image: ubuntu:latest
inputs:
  - channel: words
    as_channel: word
    type: string
    data:
      contents: [aardvark,aback,abacus,abaft]
outputs:
  - channel: wordoutput
    type: string
    source:
      stream: stdout
