Re: Multiple functions in a file

[SZABO Sandor]

Hello,
Etienne Grossmann wrote:

>   Hello,
>
> From: Andy Adler <address@hidden>
>
> #  Is it possible to put multiple function
> #  definitions in a single *m file.
>
>   In a script file (a file that does not start by a function
> definition), yes. For example :
>
> ======================================================================
> address@hidden: cat > foo.m
> 1;

What are these above? I obtained an error message:
error: invalid character `@' near line 1, column 9
parse error near line 1 of file /home/anal/sszabo/foo.m

>>> address@hidden: cat > foo.m
           ^

>
> function x=foo(y)
>   x= 1+bar(y);
> endfunction
>
> function a=bar(b)
>   a=b^2;
> endfunction
> address@hidden: fg
> octave  (wd: Šţ)
>

And what are the above two lines?

>
> octave:16> which foo
> which: `foo' is the script file
> /home/etienne/prog/octave/mylib/foo.m
> octave:17> foo
> warning: function `foo' defined within script file 
> `/home/etienne/prog/octave/mylib/foo.m'
> octave:18> which foo
> foo is a user-defined function
> octave:19> foo (3)
> ans = 10
> ======

foo works well. What about bar?

> ================================================================
>
>   Note that I first had to call 'foo' as a script so that the
> functions get declared.
>
>   To avoid the warning, you could name the script 'foo_decl_script' or
> someting alike.
>
> #  But I'd really like to be able to do this,
> #  as I don't want people to bar to be accessible directly.
>
>   I think 'bar' will always be visible.
>
>   Hth,
>
>   Etienne
>
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