csv_sample.exs

# sample of CSV package
#
# see https://hex.pm/packages/csv

"a,b\n1,2\n3,4\n"
|> IO.inspect()
|> String.split() # split a string into lines
|> IO.inspect()
|> CSV.decode!(headers: [:a, :b]) # decode with headers
|> Enum.to_list() # realize a list of maps
|> IO.inspect()
|> CSV.encode(headers: true) # encode with headers
|> Enum.to_list() # realise a list of strings
|> IO.inspect()
|> IO.puts()