Re: Adding new paths for the access of embedded programs

[Wesley Smith <wesley.hoke@...>]

print out the error the Lua gives you.  It will tell you the search
paths it looked for your modules in.

wes

On Thu, Dec 31, 2009 at 11:02 AM, Luciano de Souza
<luchyanus@predialnet.com.br> wrote:
> I can't understand why, but unfortunately it didn't work. Let me show you
> the first lines of my script. In c:\arquivos de programas\iup are the DLL
> for IUP. Therefore, the program should be successfu in accesssing the
> libraries from another folder called c:\test where I have only the
> executable that fires the program and the script Lua calling the DLLs.
>
> require('package')
>
> path = 'c:\arquivos de programas\iup"
>
> if not string.find(package.path, path, 0, true) then
>
> package.path = string.format("%s/?.lua;%s", path, package.path)
>
> package.path = string.format("%s/?/init.lua;%s", path, package.path)
>
> package.cpath = string.format("%s/?.dll;%s", path, package.cpath)
>
> end
>
> require('iuplua')
>
> require('iupluacontrols')
>
>
>
> ----- Original Message ----- From: "Wesley Smith" <wesley.hoke@gmail.com>
> To: "Lua list" <lua@bazar2.conectiva.com.br>
> Sent: Thursday, December 31, 2009 3:11 PM
> Subject: Re: Adding new paths for the access of embedded programs
>
>
>> Would this work?
>>
>> function addmodulepath(path)
>> -- add to package paths (if not already present)
>> if not string.find(package.path, path, 0, true) then
>> package.path = string.format("%s/?.lua;%s", path, package.path)
>> package.path = string.format("%s/?/init.lua;%s", path, package.path)
>> package.cpath = string.format("%s/?.dll;%s", path, package.cpath)
>> end
>> end
>>
>>
>> On Thu, Dec 31, 2009 at 9:07 AM, Luciano de Souza
>> <luchyanus@predialnet.com.br> wrote:
>>>
>>> Hello listers,
>>>
>>> I'm embedding a Lua script in a Pascal program. The script calls
>>> functions
>>> from LuaSQL, consequently, the respective DLLs must be available. I could
>>> place then in the current directory, but regarding that I have 48 further
>>> DLLs related to IUP, to concentrate everything in the current directory
>>> is
>>> not a good idea. So I want to create one directory pur application and
>>> place
>>> all the necessary libraries in a separated path. But how to do it?
>>>
>>> I tried the more obvious solution, adding the libraries' folder to the
>>> Windows path. Surprisely, this procedure didn't work! The programs only
>>> can
>>> be executed if the libraries are all present in the current directory.
>>> For
>>> this reason, I ask:
>>>
>>> 1. How can I add a path to a Lua script allowing it to find the necessary
>>> DLLs in a folder different from the current one?
>>>
>>> 2. Is this procedure equals for static libraries, in other words, for
>>> another scripts called by "require"?
>>>
>>>
>
>