osproc execProcesses?
[https://nim-lang.github.io/Nim/osproc.html#execProcesses%2CopenArray%5Bstring%5D%2Cproc%28int%29%2Cproc%28int%2CProcess%29](https://nim-lang.github.io/Nim/osproc.html#execProcesses%2CopenArray%5Bstring%5D%2Cproc%28int%29%2Cproc%28int%2CProcess%29)
