[NTG-context] Create a directory using tex

[Taco Hoekwater]

Aditya Mahajan wrote:
> Can I ask TeX to check if a directory exists or is writable.

I do not think so.

And on second thought: not even \write18 will work always, because
whether or not TeX can write a file (in a subdir or even in the
local directory) depends in part on settings in texmf.cnf that
are not visible outside TeX.

Cheers, Taco