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reactor_file

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A Reactor extension which provides steps for working with the filesystem.

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reactor_file lib reactor file step io_stream.ex
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lib/reactor/file/step/io_stream.ex 

defmodule Reactor.File.Step.IoStream do

  @moduledoc false

  use Reactor.File.Step,

    arg_schema: [

      device: [

        type: :any,

        required: true,

        doc: "The IO device to stream"

      ]

    ],

    opt_schema: [

      line_or_codepoints: [

        type: {:or, [{:literal, :line}, :non_neg_integer]},

        required: true,

        doc: "Controls how the device is iterated."

      ]

    ],

    moduledoc: "A step which runs `IO.stream/2`"



  @doc false

  @impl true

  def mutate(arguments, _context, options) do

    {:ok, IO.stream(arguments.device, options[:line_or_codepoints])}

  end

end