This project allows you to convert a composer.yml file into composer.json format. It will use those exact filenames of your current working directory.
Warning: If you already have a composer.json file, it will overwrite it.
$ curl -s http://getcomposer.org/installer | php
$ php composer.phar install
To convert from yaml to json, run:
$ bin/composer-yaml convert
To convert from json to yaml, run:
$ bin/composer-yaml convert composer.json composer.yml