[erlang-bugs] erl -s <module> crashes

[Alexander Zhuravlev]

On Tue, May 28, 2013 at 09:30:21PM -0400, Andrew Pennebaker wrote:
> When I try to `erl -s` any module, Erlang crashes. Dump attached.
> 
> Trace:
> 
>     $ cat hello.erl
>     %% 22 Feb 2011
> 
>     -module(hello).
>     -author("andrew.pennebaker@REDACTED").
>     -export([main/1]).
> 
>     main(_) -> io:format("Hello World!~n", []).
> 
>     $ erlc hello.erl
> 
>     $ erl -s hello
>     Erlang R15B03 (erts-5.9.3.1) [source] [64-bit] [smp:2:2]
> [async-threads:0] [hipe] [kernel-poll:false] [dtrace]
> 
>     {"init terminating in
> do_boot",{undef,[{hello,start,[],[]},{init,start_it,1,[]},{init,start_em,1,[]}]}}
> 
>     Crash dump was written to: erl_crash.dump
>     init terminating in do_boot ()

You need to check description of the erl's "-s" flag. It accepts a module and
an optional function name (by default set to "start" if not specified).

zmac:~> cat hello.erl
-module(hello).
-export([main/0]).

main() ->
	io:format("Hello World!~n", []).

zmac:~> erl -s hello main -s erlang halt
Erlang R16B (erts-5.10.1) [source] [64-bit] [smp:2:2] [async-threads:10] [hipe] [kernel-poll:false] [dtrace]

Hello World!

> 
> System:
> 
>     $ specs erlang os
>     Specs:
> 
>     specs 0.4
>     https://github.com/mcandre/specs#readme
> 
>     rebar -V
>     rebar 2.1.0-pre R15B03 20130528_213220 git 2.1.0-pre-46-g78fa8fc
> 
>     erl -eval 'erlang:display(erlang:system_info(otp_release)), halt().'
> -noshell
>     "R15B03"
> 
>     system_profiler SPSoftwareDataType | grep 'System Version'
>     System Version: OS X 10.8.3 (12D78)
> 
> -- 
> Cheers,
> 
> Andrew Pennebaker
> www.yellosoft.us


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-- 
Alexander Zhuravlev