But I suspect that it also could be the old name if it was renamed. However that's just a suspicion.
Michael, most of the files are fixed sizes like CO and VC, so getting the size of those is not a problem. But some files, like sequences, can have different sizes. Where is that info? By the way, I've spent a lot of hours reading your source code, but since there's so many lines of code because of the great functionality, I haven't found that info.
Carl