Re: Moving from Lua 4 to 5

["D Burgess" <db@...>]

>a) Can I use the old I/O library with the new Lua until I have time to modify 
>   the new library? I know the syntax is different but will it work?
Yes and Yes. I did this some time ago (to my regret), 
the 5 library is not that complex, do the couple of hours work.

>b) Is there a better way to do what I want than modifying the library? I need
>   portable solution that will run on both Unix and Lose-dows.
I never found it. Replacing library table and metatable functions 
in a separate module still leaves you exposed.
Cloning the library and using a different set of names gives
you some insulation to change.

David B

Firestone, Rameses <rameses.firestone@intel.com> wrote:

>We have been using Lua 4 for about a year and now I want to switch over to
>the latest version. In order to make Lua work with our software I hacked the 
>I/O library so that it could optionally accept functions as I/O 
>descriptors. I did this so that I could take control of I/O directly. Our 
>software is mostly GUI oriented and we use QT so that it is portable. 
>With call back functions for descriptors, I could read and write to specific 
>windows with no problems. My questions are:
>
>
>a) Can I use the old I/O library with the new Lua until I have time to modify 
>   the new library? I know the syntax is different but will it work?
>
>b) Is there a better way to do what I want than modifying the library? I need
>   portable solution that will run on both Unix and Lose-dows.
>
>Ram