origami:

yaml(object)

Render the contents of the object in YAML format.

The ori tool uses YAML as its default output format, so you won’t often need to invoke the yaml function yourself from the command line. One occasion to use it would be to convert a JSON file to YAML.

$ ori letters.json
{
  "a": "The letter A",
  "b": "The letter B",
  "c": "The letter C"
}
$ ori yaml letters.json
a: The letter A
b: The letter B
c: The letter C