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%%-----------------------------------------------------------------------
%% Program that gave erroneous warnings due to missing information about
%% the {encoding, latin1 | unicode | utf8 | ...} option of file:open/3.
%%-----------------------------------------------------------------------
-module(file_open_encoding).
-export([parse/1]).
-type proplist() :: [{atom(), any()}].
-spec parse(string()) -> proplist().
parse(FileName) ->
{ok, IoDevice} = file:open(FileName, [read, binary, {encoding, utf8}]),
do_parse(IoDevice, []).
do_parse(IoDevice, ResultSoFar) ->
case io:get_line(IoDevice, "") of
eof ->
file:close(IoDevice),
ResultSoFar;
<<"--"/utf8, _Comment/binary>> ->
do_parse(IoDevice, ResultSoFar);
Line ->
[Key, Value] = binary:split(Line, [<<": ">>, <<"\n">>], [global, trim]),
do_parse(IoDevice, [{binary_to_atom(Key, utf8), Value} | ResultSoFar])
end.
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