Вот мой код:
-module(afile_server).
-export([start/1, loop/1]).
start(Dir) ->
spawn(afile_server, loop, [Dir]).
loop(Dir) ->
receive
{Client, list_files} ->
Client ! {self(), file:list_dir(Dir)};
{Client, {get_file, File}} ->
Full = filename:join(Dir, File),
Client ! {self(), file:read_file(Full)}
end,
loop(Dir).
Вот команды оболочки:
$ erl
Erlang/OTP 17 [erts-6.4] [source] [64-bit] [smp:4:4] [async-threads:10] [hipe] [kernel-poll:false]
Eshell V6.4 (abort with ^G)
2> c(afile_server).
{ok,afile_server}
3> Server = afile_server:start(".").
<0.43.0>
4> Server ! {self(), list_files}.
{<0.32.0>,list_files}
5> receive X -> X end.
{<0.43.0>,
{ok,["afile_client.erl","afile_server.beam",
"afile_server.erl","hello.beam","hello.erl","old"]}}
6> Server ! {self(), {get_file, "hello.erl"}}.
{<0.32.0>,{get_file,"hello.erl"}}
7> receive X -> X end.
<hangs>