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I rewrote all my CLI scripts in Elixir, it's best in class IMO. With Mix.install now it's just amazing. Fast, free and simple concurrency, low startup time, gre

• xcdzvyn 4y ago
  I completely agree with GP in that Elixir isn't really _designed_ for CLI tools, but I agree with you that it does happen to be great for it. I don't doubt there are some facilities it lacks that would make ones life easier, but overwhelmingly its standard library is more than sufficient.
• realitylabs 4y ago
  Are any of these published or would you share an example?
  • amalgamated_inc 4y ago
    Nothing published, they're typically not very complex. Things of interest for CLI stuff: #!/usr/bin/env elixir Use Mix.install like so Mix.install([ {:jason, "~> 1.4"}, ]) Execute shell commands {output, status_code} = System.cmd("ls", ["-la"]) For handling files and paths: Path.join/2 __ENV__.file Path.dirname/1 Path.expand/1 File.lstat/1 File.read/1 Parsing arguments argv = System.argv() OptionParser.parse(argv, [strict: [switch: :boolean], aliases: [s: :switch]]) exit({:shutdown, status_code}) # for shutting down with an error For printing colors (from docs) iex> IO.ANSI.format(["Hello, ", :red, :bright, "world!"], true)