Is it possible to compile Elixir script file?

[bengt e]

Greetings,

If possible I would like to test the functions in an Elixir script with ExUnit. It seems to me that I first need to compile the script (.exs) file.

This is not easy. Elixirc (and c from iex command line) will run the script, not compile it, but perhaps there is another way to compile?

It does not seem to be the extension. A script file that ends with .ex will be run as a script by elixirc. And a script (.exs extension and #! on the first line) with only defmodule (no "free" functions calls outside defmodule's body) will be compiled.

bengt

[José Valim]

In order to compile a file, we need to execute it. The only difference between compilation and scripting is that a .beam file is written for every module. Other than that, executing and compiling a file is exactly the same.

José Valim

www.plataformatec.com.br

Skype: jv.ptec

Founder and Director of R&D

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[bengt e]

Thank you for the very prompt reply.

I will try to find out myself, but perhaps you know the answer to the following:

How do I pass a flag to the script being compiled to tell it not to do anything during the execution part of the compilation?

The script will have to know of this flag, of course, but how will it get the flag?

"Elixirc -h" hints that flags after "--" will be available to "the executing code", but I do not see any beam file when I try:

elixirc -- --donothing myscript.exs

bengt

[Eric Meadows-Jönsson]

You can set an environment variable and retrieve it in the script: `DO_SOMETHING=false elixirc file.exs` and then retrieve it with `System.get_env("DO_SOMETHING")`.

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Eric Meadows-Jönsson

[bengt e]

Thank you for the suggestion. I tried to get the "--" to work, but failed, so an environment variable is what I wiil do.

What does the elixirc documentation mean when it says:
** Options given after -- are passed down to the executed code


bengt