Everything is in the title I have a little export script that wored with blender 2.55, now I work on blender 2.73a but the script does not.
Then I just need it to be updated to be accepted by the last blender version within some days and at low price !
Attached is the script and an examble blend file (select the main mesh and choose "export>Custom255beta (.txt)" to test the exportation.
Seems to be doable given your description of the problem. Though I feel I need a bit more details on the issue. Send me a personal message and let's discuss it over. Thank you. :)