Re: How to combine several functions in a single oct-file?

[Michael Goffioul]

On Fri, Feb 10, 2012 at 8:50 AM, Carlo de Falco <address@hidden> wrote:
> 2012/2/10 Lukas Reichlin <address@hidden>:
>> Dear Octave community,
>>
>> I noticed that "which arrayfun" points to cellfun.oct (octave 3.6.0). This 
>> means that both arrayfun and cellfun are stored in a single oct-file. Now I 
>> wonder how octave knows that it finds arrayfun in cellfun.oct? Does octave 
>> load all oct-files on startup? I thought that a function "foo" has to be 
>> located in foo.m, foo.oct or in the same m-file as the calling function.
>>
>> Background: My control package has dozens of oct-files and I like to combine 
>> them in just a few oct-files. They all use the SLICOT Fortran library and I 
>> compiled the required parts of it into every single oct-file. I think it 
>> would be better if the Fortran code would be stored in one big oct-file that 
>> offers all the user functions. Like cellfun.oct.
>>
>> Thanks for any insights and best regards,
>> Lukas
>>
>
> Have a look at the command "autoload", it should do what you ask,
> you can also look at the PKG_ADD commands in packages combinatorics
> and odepkg for inspiration.
>
> If you use this approach, be aware that it has some side effects:
> http://octave.1599824.n4.nabble.com/reverse-of-autoload-tp1635126p1635126.html

There is (or used to be) the PKG_DEL counterpart to PKG_ADD. But
what's missing is autounload (such feature request makes sense imo).
The other possibility is to put all the common code into a single
shared library, then link all oct-files to that library.

Michael.