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Date: Sat, 25 Sep 2010 13:54:22 +0200
Message-ID: <AANLkTik4xr7X2e7ssOLThp24zNBOc9hXWtU1GEPEg5c8@mail.gmail.com>
Subject: Re: Simple erlang and erl question
From: Randall Leeds <randall.leeds@gmail.com>
To: dev@couchdb.apache.org
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If you want to interactively play with couchdb code in erlang you
should run couchdb with the -i flag (lower-case I ["eye"]).
This will load all the necessary applications and dependencies.

On Sat, Sep 25, 2010 at 04:14, chongqing xiao <cqxiao@gmail.com> wrote:
> Understand. Anyhow, I figured out the problem. It is because I have to
> load "couch_stats_collector" first in order to use "couch_file".
> I am surprised even "couch_file" depends on "couch_stats_collector",
> the dependency is not explicitly defined in "couch_file".
>
> Chong
>
> On Fri, Sep 24, 2010 at 2:57 PM, Robert Newson <robert.newson@gmail.com> =
wrote:
>> A mailing list is not a great medium for learning a new programming
>> language or getting up to speed with a new code base.
>>
>> Try this for the former http://oreilly.com/catalog/9781934356005 and
>> #couchdb for the latter.
>>
>> B.
>>
>> On Fri, Sep 24, 2010 at 8:39 PM, chongqing xiao <cqxiao@gmail.com> wrote=
:
>>> My bad. Now I get this
>>>
>>> 10> couch_file:open("ttt").
>>> ** exception exit: undef
>>> =C2=A0 =C2=A0 in function =C2=A0couch_stats_collector:track_process_cou=
nt/1
>>> =C2=A0 =C2=A0 =C2=A0 =C2=A0called as couch_stats_collector:track_proces=
s_count({couchdb,
>>> =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 open_os_=
files})
>>> =C2=A0 =C2=A0 in call from couch_file:init/1
>>> =C2=A0 =C2=A0 in call from gen_server:init_it/6
>>> =C2=A0 =C2=A0 in call from proc_lib:init_p_do_apply/3
>>>
>>> 13> couch_file:open("c:ttt",[create]).
>>>
>>> Crash dump was written to: erl_crash.dump
>>> eheap_alloc: Cannot allocate 729810240 bytes of memory (of type "heap")=
.
>>>
>>>
>>> Abnormal termination
>>>
>>> Thanks
>>> Chong
>>>
>>> On Fri, Sep 24, 2010 at 1:48 PM, chongqing xiao <cqxiao@gmail.com> wrot=
e:
>>>> Hi,
>>>>
>>>> I was learning erlang and couchdb using the erl and I got the
>>>> following error when I tried to use couch_file in erl shell.
>>>> Could someone explain what might be the problem? I am guessing
>>>> couch_file is not the actual module but I can't figure out how to get
>>>> that.
>>>>
>>>> =E0=B8=80Eshell V5.8.1 =C2=A0(abort with ^G)
>>>> 1> c("c:/couchdb/src/couchdb/couch_file", [{outdir,
>>>> "c:/couchdb/src/couchdb/"}]).
>>>> {ok,couch_file}
>>>> 2> couch_file.open("c:/test").
>>>> ** exception error: bad function 'couch_file.open'
>>>>
>>>> Thanks
>>>> Chong
>>>>
>>>
>>
>