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Removed dependency and restored ports

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This commit is contained in:
Fabio Salvini
2017-06-08 21:39:52 +02:00
parent c7a9e6ccb5
commit f64408f584
3 changed files with 6 additions and 6 deletions
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7
apps/log_monitor/src/watcher.erl
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@@ -6,14 +6,15 @@ start(MonitorPid, File) ->
init(MonitorPid, File) ->
Cmd = "/usr/bin/tail -n0 --follow=name " ++ File,
Port = open_port({spawn, Cmd}, [stderr_to_stdout, {line, 256}, exit_status, binary]),
Port = open_port({spawn, Cmd}, [stderr_to_stdout, exit_status, binary]),
loop(MonitorPid, Port).
loop(MonitorPid, Port) ->
receive
{Port, {data, {eol, Bin}}} ->
%% io:format("~s~n", [iolist_to_binary(Bin)]),
Text = binary_to_list(iolist_to_binary(Bin)),
MonitorPid ! {log_line, Text},
loop(MonitorPid, Port)
loop(MonitorPid, Port);
{Port, {exit_status, _Status}} ->
io:format("Watcher terminated~n")
end.