dear developers

I have now problem - want to export 3000 custom CCK nodes.
And have no possibility to do it - always task finished with "out of memory" error.
What I see - first you load data in memory, after in memory you dump it into xml.
What about changing working procedure:
1. dump into file from db
2. convert into necessary format in temp file again
3. send to client via buffered read/write

I can suggest my help here - just need small instruction and you point of view for this issue

thanks in advance