I realize CLI tooling isn't elixir's focus, but what I'd give for a nice
argparser!
Something in-code like python's argparser would be phenomenal, which
handles syntax and user experience for you. I think it wouldn't be hard,
with macros:
```
defmodule MyParser do
use ArgParser
parser do
command("d?hcp") do
command("l?ist|ls") do
option("--all|-a", :boolean, store: true)
option("--mon?itor|-m", :boolean, store: true)
end
end
command "g?enerate" do
option("--f?orce|-f", :boolean, store: true)
command("w?edge") do
argument("slot", :integer, choices: [0, 1])
option("--r?restart|-r", :boolean, store: true)
end
end
end
```
Then just `MyParser.parse(args)`
I hear erlang's "argparse" is coming into OTP, but I haven't looked at
it. I expect like most things erlang it's highly eldritch :D
I'll add it to the end of my todo list, just after ∞ unfortunately. But
maybe I'll get to it.
Sidebar to this:
I know Elixir isn't focused on CLI, and there are few if any CLI things
out there, but I'd contend it's a chicken-and-egg thing. There aren't
CLI things out there because it's such a PITA to do it (having just
wrestled with escript and others trying to do this I can assure you this
is the case). I've seriously considered wrapping my elixir thing with a
python script, just to make it more user-friendly and manageable.
That's... well, it says something.
-Brandon
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