[erlang-questions] How to start a .app from os's shell

[wenew zhang]

i try this:
 erl -s socket_server_app start [normal,[]]
Erlang (BEAM) emulator version 5.5.5 [source]
 [async-threads:0] [kernel-poll:false]


{"init terminating in
do_boot",{undef,[{socket_server_app,start,[['[normal,[]]']]},{init,start_it,1},{init,start_em,1}]}}

Crash dump was written to: erl_crash.dump
init terminating in do_boot ()

it's works normal if i type "socket_server_app:start(normal,[])." in
erl-shell,
there 's a problem how to pass normal,[] to start function,maybe i should
change the
source code that delete the "[]" argument(man erl said that argument must be
atoms) ,but i don't try it because i figure out this problem
use  boot script ,http://erlang-china.org/study/erlang-release-demo.html
thank all response very much

Wenew Zhang
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