Nine track file marks, Burroughs
Dennis Boone
drb at msu.edu
Sat Jan 9 23:06:36 CST 2021
> I can't say that I've ever observed that, but then, I probably never
> looked for it either. 80 bytes starting with HDRx, etc. is a pretty
> good indicator of the nature of the block. I've seen lots of tapes
> with 81-character records, however. (Univac 36 bit systems for
> example).
Drat. I was hoping you'd have this answer. ;)
Looking for filemark-less transitions either way between 80-byte records
with known label names, and other kinds of records, is what my detector
script for this does.
De
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