RosettaCodeData/Task/File-input-output/Elixir/file-input-output-1.ex

17 lines
487 B
Elixir

defmodule FileReadWrite do
def copy(path,new_path) do
case File.read(path) do
# In case of success, write to the new file
{:ok, body} ->
# Can replace with :write! to generate an error upon failure
File.write(new_path,body)
# If not successful, raise an error
{:error,reason} ->
# Using Erlang's format_error to generate error string
:file.format_error(reason)
end
end
end
FileReadWrite.copy("input.txt","output.txt")