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emqx
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Print helpful messages when no commands available

This commit is contained in:
terry-xiaoyu 2020-05-16 08:48:05 +08:00
parent 80e2bd19b9
commit 1f07700930
1 changed files with 9 additions and 3 deletions
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10
src/emqx_ctl.erl
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@ -125,9 +125,15 @@ get_commands() ->
[{Cmd, M, F} || {{_Seq, Cmd}, {M, F}, _Opts} <- ets:tab2list(?CMD_TAB)]. [{Cmd, M, F} || {{_Seq, Cmd}, {M, F}, _Opts} <- ets:tab2list(?CMD_TAB)].
help() -> help() ->
case ets:tab2list(?CMD_TAB) of
[] ->
print("No commands available, make sure you have plugin emqx_management started.~n");
Cmds ->
print("Usage: ~s~n", [?MODULE]), print("Usage: ~s~n", [?MODULE]),
[begin print("~110..-s~n", [""]), Mod:Cmd(usage) end list:foreach(fun({_, {Mod, Cmd}, _}) ->
|| {_, {Mod, Cmd}, _} <- ets:tab2list(?CMD_TAB)]. print("~110..-s~n", [""]), Mod:Cmd(usage)
end, Cmds)
end.
-spec(print(io:format()) -> ok). -spec(print(io:format()) -> ok).
print(Msg) -> print(Msg) ->