openssh unix dev - Feb 2017 - ssh-keygen -T -j

I was 8 hours into a ssh-keygen -T when the power went out. So I tried 
to restart by appending -j LINENO to the command line, but ssh-keygen 
just gave me the Usage message in response (and yes the usage for -T 
includes "[-j start_line]". The LINENO that I gave it was from the
last
output line before the crash where it says "processed LINENO of
NUMLINES".

Is there any documentation on how this is supposed to work? The man page 
does not give me any additional information.

-Earl

On Fri, Feb 10, 2017 at 6:55 AM, Earl A. Killian
<openssh at lists.killian.com> wrote:
> I was 8 hours into a ssh-keygen -T when the power went out. So I tried to
> restart by appending -j LINENO to the command line, but ssh-keygen just
gave
> me the Usage message in response (and yes the usage for -T includes
"[-j
> start_line]". The LINENO that I gave it was from the last output line
before
> the crash where it says "processed LINENO of NUMLINES".
>
> Is there any documentation on how this is supposed to work? The man page
> does not give me any additional information.
You're probably doing it right, however the option handling of -j and
-J was incorrectly removed between versions 6.9p1 and 7.3p1.  It was
restored in 7.4p1 and was never missing in any of the OpenBSD upstream
versions (which is where we use it and hence why we didn't miss it).

https://anongit.mindrot.org/openssh.git/commit/ssh-keygen.c?id=0bb2980260fb24e5e0b51adac471395781b66261

-- 
Darren Tucker (dtucker at zip.com.au)
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usually comes from bad judgement.