[erlang-questions] Running edoc:application( ) on Windows 7, but it's not finding any modules

Richard Carlsson <>
Mon Oct 14 15:03:02 CEST 2013


It turned out this wasn't due to the search path, but that edoc actively 
ignores source files whose name starts with an uppercase character. 
Added it to my list of known bugs.

    /Richard

On 2013-10-11 13:09 , Richard Carlsson wrote:
> On 2013-10-11 04:34 , John R. Ashmun wrote:
>> Hi.
>> I have a new application, MIX, the directories of which are organized as
>> recommended in Erlang And OTP In Action, e.g., given that my Erlang-y
>> home directory is
>> c:\Program Files\erl5.9\usr\john
>> the application's top level is "MIX" in my home directory, and in it are
>> doc
>> ebin
>> include
>> priv
>> src
>> There are two modules in src (and the corresponding .beam files in ebin,
>> along with MIX.app).  There is also an overview.edoc file in doc.
>> I was hoping that, from a command prompt with MIX as its current
>> directory, that running
>> werl -pa ebin
>> and using
>> edoc:application( 'MIX', ".", [] ).
>> in the shell would find these modules (which are named 'MIX' and 'M')
>> and generate some documentation, but this doesn't succeed, although a
>> nice, rather empty Overview is generated.
>
> When you give the path as "-pa ebin", OTP won't realize that the path
> "ebin" has anything to do with the application 'MIX', so it won't look
> there. (Btw., it's probably a bad idea in the long run to use uppercase
> characters for an application name.)
>
> In a proper release installation, you'd have added the path in some
> other way, giving a longer path ".../MIX/ebin" or using the ERL_LIBS
> environment variable to let OTP find that path for itself. But when
> testing from the command line like this, you can say "-pa ../MIX/ebin"
> so that the path contains the application name.
>
> Also see section 4.4 in the book.
>
>      /Richard
>



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