What's even harder is doing that while trying to avoid the GPL, so doing that without reading the original source code.
uutils would be so much better imo if it was GPL and took direct inspiration from the coreutils source code.
The GPL prevents you from reading the licensed code before writing related non-GPL code? Which section of the GPL says that?
The GPL prevents you from reading the licensed code before writing related non-GPL code? Which section of the GPL says that?