The point of this project is standardized inputs and outputs, that's all. Working with commands is not standardized on traditional posix systems, in terms of ei

The point of this project is standardized inputs and outputs, that's all. Working with commands is not standardized on traditional posix systems, in terms of either input or output. The other comments about adding a "stddata" and handing this responsibility to userspace is a good one. You shouldn't need to know a specialized DSL for each tiny core util.