K
Ken Smith
Guest
In article <et8hr5$8ss_002@s787.apx1.sbo.ma.dialup.rcn.com>,
<jmfbahciv@aol.com> wrote:
right checksum for all posible cases of how you did things. This is just
responding to unsettled further incorrect statement about how tape drive
operate.
When you disagreed with my suggestion that TAPE.DIR is list of what you
intended to write onto tape, I could see that there was a way that you
could actually have done what you at that point were claiming. You have
now changed the claim. You no longer say that it is the directory of what
is on the tape but is as I had suggested the directory of what you
intended to write onto tape.
what you wrote or (B) the directory of what you intend to write.
This is getting silly because your story changes back and forth on this.
BTW: It isn't my method in that I did not invent what was done. It was
already old when I learned it. It was used on many tapes before I got
near one.
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kensmith@rahul.net forging knowledge
<jmfbahciv@aol.com> wrote:
What I said was correct. I have explained how to make TAPE.DIR have theIn article <et7ljd$bq1$5@blue.rahul.net>,
kensmith@green.rahul.net (Ken Smith) wrote:
In article <b33aa$45f6d225$4fe7292$20427@DIALUPUSA.NET>,
nonsense@unsettled.com <nonsense@unsettled.com> wrote:
Ken Smith wrote:
In article <et5v7k$8qk_001@s887.apx1.sbo.ma.dialup.rcn.com>,
jmfbahciv@aol.com> wrote:
[....]
Did you write a TAPE.DIR onto the tape after the tape had already been
written?
No. One of my requirements was that the file be the first in
the saveset.
In other words, you created it based on what you intended to write to the
tape not what you actually wrote. This contradicts what you said earlier.
It doesn't matter because the suggested method still works. The checksum
could still have been correct.
The operative word is "could." It can never be "what was read from
the tape." Your entire argument on this matter has been silly. It
is an elementary problem in recursion.
Yes, it can be what was read from the tape. I explained elsewhere exactly
how you can make the first file on the tape be based on the contents of
the tape after it has been written. Tape drives can write to the start of
a tape without trashing the rest of the contents of the tape.
It will trash the rest of the tape. We shipped the files within
savesets.
right checksum for all posible cases of how you did things. This is just
responding to unsettled further incorrect statement about how tape drive
operate.
When you disagreed with my suggestion that TAPE.DIR is list of what you
intended to write onto tape, I could see that there was a way that you
could actually have done what you at that point were claiming. You have
now changed the claim. You no longer say that it is the directory of what
is on the tape but is as I had suggested the directory of what you
intended to write onto tape.
Oooops!!!! There you go again. Which is it. Is it (A)the directory ofThe
operation is refered to as an "edit" write. It only requires that the
tape already contain a block of the same size. It has been done for
years.
But your edit write would not include the directory of the tape
after you wrote it.
what you wrote or (B) the directory of what you intend to write.
This is getting silly because your story changes back and forth on this.
You *still* haven't understood.There is no problem in recursion. There is no problem in making the
checksum correct. You seem to have missed the post where I filled you in
on how exactly the checksum of a file can be stored in the text of file
and be valid. Here is a hint:
checksum("0000ZZZZ") == checksum("1111YYYY")
You should be able to take it from there. When you figure it out try to
get BAH to understand.
/BAH understands your method just fine. First of all the editing
method would have trashed the first saveset. Second of all,
the file would not have been a directory of the tape after you
wrote the file to the tape.
BTW: It isn't my method in that I did not invent what was done. It was
already old when I learned it. It was used on many tapes before I got
near one.
/BAH
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kensmith@rahul.net forging knowledge