[Caml-list] Problem with ocamlmktop

[Caml-list] Problem with ocamlmktop

[Malte Obbel Forsberg]

Hello fellow O'Caml-users,

I'm pretty new to O'Caml, and there's something with ocamlmktop that 
puzzles me (albeit it probably being rational behaviour that I merely 
need to comprehend before I can move on and solve the problem :-)):

When I make a new toplevel, by first running ocaml -c for site.mli and 
then for site.ml, with ocamlmktop site.cmo, I can't seem to use it if it 
doesnt stay in the same directory as the *.cm* files reside. Furtermore 
it seems I have to be in that directory when executing my toplevel as 
well. The following text describes the phenomena:

/var/www/site# ocamlmktop site.cmo -o site-toplevel
/var/www/site# ls
site-toplevel  site.cmi  site.cmo  site.ml  site.mli
/var/www/site# ./site-toplevel
         Objective Caml version 3.08.1

# Site.read ;;
- : string -> string = <fun>
#
/var/www/site# cd ..
/var/www# ./site/site-toplevel
         Objective Caml version 3.08.1

# Site.read ;;
Unbound value Site.read
#

Now, what I want to do is to use a modified toplevel for mod_ocaml, so I 
won't have to redefine my functions in every ocml (html with ocaml-code 
in it, handled by mod_ocaml) file! I suppose, being quite new to O'Caml, 
I might have missed some other way to achieve this; please enlighten me 
if that is so. :-)

What I want to know, then, is if there is some way to define functions 
in an external file and then use the functions in an other interpreted 
file, with "open Site;;" or similar.

Best regards,
Malte Obbel Forsberg

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Re: [Caml-list] Problem with ocamlmktop

[David MENTRE]

Hello,

Malte Obbel Forsberg <malte@unix.se> writes:

> Now, what I want to do is to use a modified toplevel for mod_ocaml, so I
> won't have to redefine my functions in every ocml (html with ocaml-code
> in it, handled by mod_ocaml) file! I suppose, being quite new to O'Caml,
> I might have missed some other way to achieve this; please enlighten me
> if that is so. :-)

You could use -I option with an absolute path when calling your home
made ocaml.

> What I want to know, then, is if there is some way to define functions
> in an external file and then use the functions in an other interpreted
> file, with "open Site;;" or similar.

Yep. #load "file-name";; or #use "file-name";; depending on your
needs. Then do a open Module or Module.function. See ocaml doc for
details.

Yours,
david
-- 
 David Mentré <dmentre@linux-france.org>

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