Subj : Re: Issues with running makenl for a region
To   : Dan Clough
From : Alan Ianson
Date : Wed Mar 05 2025 12:44 am

>> That's a <CTRL>Z. At one time it was widely used as an end of file
>> marker.

>> I suppose you could just remove that last line.

> That would likely "break" the CRC value shown on the top line of a
> segment.  Not sure if that matters, but...

I'm not sure if the first and last lines are part of the CRC but they are best left alone.

> That actually raises a question I've wondered about...  Is there
> actually a need these days to create segments/nodelists with something
> like 'makenl'?

My and I suppose most NC's segments are done by hand but processing it with makenl includes the CRC and that's a plus. It's a requirement I think.

> I use it, and understand it, but is it really required?

RC's and ZC's lives are much easier with makenl. :)

> Could not the segments just be edited like any other text file, with a
> normal text editor?  I think the CRC is maybe used in "diff" processing,
> but who actually needs/uses a diff file any more?

The CRC is a way to make sure you got the file without error, as intended.

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