comments on CSV parsing using Elixir & Nimnble & Flow from https://www.poeticoding.com/processing-large-csv-files-with-elixir-streams/

elixir snippet

NimbleCSV.define(MyParser, separator: ";", escape: "\"")

def load_stream file do
  file
  |> File.stream!()
  |> Flow.from_enumerable()
  |> Flow.map(&MyParser.parse_string/1)
  |> Enum.count()
end