Re: Keep a shell open?

[nobody <nobody+lua-list@...>]

On 2018-01-26 08:16, Russell Haley wrote:
> Is it possible to open a shell in a coroutine and just interact with
> it when I need it?
>
> So in a coroutine, I would just open it and then read and write then
> yield?

As Dirk wrote, `io.popen` is read XOR write.

If you're on some unix-y system & depending on what you're doing,
lpty[1] might work for you.

There may be "simpler"[2] ways to do that, but so far, for me, this was
the "simplest"[3] way to get non-blocking bidirectional communication going.

-- nobody

[1] http://tset.de/lpty/index.html
    (also via `luarocks install lpty`)

[2] as in "not grabbing a PTY yadda yadda"

[3] as in "least amount of thinking/code & sufficiently portable (*nix)"