Apologies if I am missing something silly, but I am unable to figure this out. I am trying to run an Elixir script using mix run, and I want to pass a single arbitrary string to it.

A sample script, say scripts/string_parser.exs looks like this:

System.argv()
|> IO.inspect()

This example only contains the relevant parts. Here’s some sample runs of the script:

> mix run scripts/string_parser.exs '{:ok}'
["{:ok}"]

> mix run scripts/string_parser.exs '{:ok,:test}' 
["{:ok", ":test}"]

> mix run scripts/string_parser.exs '{:ok\,:test}'
["{:ok\" :test}"]

> mix run scripts/string_parser.exs "{:ok,:test}" 
["{:ok", ":test}"]

> mix run scripts/string_parser.exs "{:ok\,:test}"
["{:ok\" :test}"]

How do I pass a string that contains a , as a command line argument to mix run <script>?

Note: This issue does not occur for running a script with elixir <script> <arguments>. For example,

> elixir scripts/string_parser.exs '{:ok, :test}'  
["{:ok, :test}"]

and all the other variations work as expected.

This either seems like a bug or I’m missing something.