This utility is a wrapper around the common execution of any programme, except it needs to get environment variables from the specified folder first and then run the programme passed to it as an argument.
See: https://cr.yp.to/daemontools/envdir.html for reference.
goenvdir [FLAGS] /path/to/env/dir some_prog
Clears out all the environment before using the passed ones.
- Add the ability to read files in various formats (JSON, YAML, INI etc.)