How to use IO.binstream to read/write to stdout/stdin

[al2o3cr]

FWIW, raw mode is coming in OTP 28:

Raw terminal mode coming to OTP 28

For anyone who’s worked on a terminal interface in Elixir, you may be excited to know that raw mode is coming to OTP 28: Implement lazy-read and noshell raw mode by garazdawi · Pull Request #8962 · erlang/otp · GitHub If you’re unfamiliar with raw mode, the gist of it is that it allows terminals to read input without waiting for a newline, allowing for much more responsive terminal UIs. (There are drawbacks as well: You are fully responsible for what is printed, you lose all cursor movement (un…