On Friday, 15 February 2019 at 13:14:47 UTC, Patrick Schluter wrote:
> A lots of fgets() based tools on Unix systems fail to read the last line if it doesn't contain a line feed character at the end. Afaicr glibc implementation does not have that problem but a lot of other standard C libs do.
> When we were still on Solaris we had to be very careful with that, as strange things could happen when using sed, awk, wc and a lot of other standard Unix commands.
> Now that we have switched to Linux we don't have the issue anymore.

That makes sense.  I guess I'm spoiled by GNU.