The file is a text file with a .txt extension. It is often called _boatids.txt. The format of the file is very simple; it only contains the names of the boats and their id in the race separated by a comma.
1,40 Love
2,A’Assifa
3,Adelaide Star
4,Alkaid III - Nautistock.com
5,Alphalink/xtreme Yachting
6,Altikhan
7,Amazing Grace
8,Anahita