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The layout of the history log file can be found in the CL programming guide
in the chapter on Working with messages/Message Logging/Format of history
log. The date and time, in CYYMMDDHHMMSS format, can be found in positions
37 to 49. The internal date and time in positions 1 to 8 can be converted
using the Convert Date and Time Format API (QWCCVTDT) using *DTS as the
input format and will give you roughly the same answer as 37 to 49 (but
with more precision).
Bruce
Martin Rowe
<martin@xxxxxxxxx
t> To
Sent by: <midrange-l@xxxxxxxxxxxx>
midrange-l-bounce cc
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Subject
Re: Checking the History log
04/22/2004 12:31
PM
Please respond to
Midrange Systems
Technical
Discussion
On Thursday 22 April 2004 17:44, Mike Berman wrote:
> I would like to monitor the DSPLOG on a daily basis. I would run it to
> a spool file, change the spool file to a PF, and then read this PF for
> any problems. Has anyone already done this, or knows which type of
> error messages to check for? I recall some years ago that when A DISK
> failed for example, there had been some warning messages in the DSPLOg,
> that we had never noticed. I am trying to write something along these
> lines. IT would also include any failure in the night processing,
Hi Mike
You can go that route but it can take a while to generate & process the
spoolfile. Depending on your situation (ie, if you have the authority),
you might be able to read the log files directly. They are regular
physical files in QSYS. The name is QHSTYYDDDX where YY is a two digit
year, DDD is the julian date (days from start of year) and X is a
sequencing letter (A then B etc throughout the day). The file has just a
single field, SYSLOGFLD, where the first 10 bytes hold the date & time.
As yet I haven't figured out how that's encoded but I'm sure someone else
on the list will know.
We just have the one application that parses the logs, written a long time
back. It uses the DSPLOG/CPYSPLF technique which is why I know it takes
ages ;) If someone knows the method for extracting the date & time I can
rework the app to speed it up :)
Regards, Martin
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