Swap outputs

# The following snippet produces a choice Form and then uses
# a shell script to swap its input for different values.
# It's an alternative to label: & id: use, that
# enables the use of the choice: drop-down facility

  - trigger: :test
    replace: "{{output}}"
    vars:
      - name: form1
        type: form
        params:
          layout: "[[choices]]"
          fields:
            choices:
              type: choice
              values: |
                one
                two
                three
              default: one
      - name: output
        type: shell
        params:
          shell: bash
          cmd: |
            case $"{{form1.choices}}" in
              one)
                output=four ;;
              two)
                output=five ;;
              three)
                output=six ;;
            esac
            echo $output

# For Python, replace the "output" block with:
      - name: output
        type: script
        params:
          args:
            - python
            - -c
            - |
              choices = {
                  "one": "four",
                  "two": "five",
                  "three": "six"
              }
              print(choices.get("{{form1.choices}}", ""))