Reactor.File

A Reactor extension that provides steps for working with the local filesytem.

Example

The following example uses Reactor to reverse all the files in the specified directory.

defmodule ReverseFilesInDirectory do
  use Reactor, extensions: [Reactor.File]

  input :directory

  glob :all_files do
    pattern input(:directory), transform: &Path.join(&1, "*")
  end

  map :reverse_files do
    source result(:all_files)

    read_file :read_file do
      path element(:reverse_files)
    end

    step :reverse_content do
      argument :content, result(:read_file)
      run &{:ok, &String.reverse(&1.content)}
    end

    write_file :write_file do
      path element(:reverse_files)
      contents result(:reverse_content)
    end

    return :write_file
  end

  return :reverse_files
end

Reactor.run!(ReverseFilesInDirectory, %{directory: "./to_reverse"})

Installation

If available in Hex, the package can be installed by adding reactor_file to your list of dependencies in mix.exs:

def deps do
  [
    {:reactor_file, "~> 0.18.3"}
  ]
end

Documentation for the latest release is available on HexDocs.

Licence

reactor is licensed under the terms of the MIT license. See the LICENSE file in this repository for details.