HP3000-L Archives

December 2009, Week 3

HP3000-L@RAVEN.UTC.EDU

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HP-3000 Systems Discussion <[log in to unmask]>
Date:
Fri, 18 Dec 2009 15:14:39 -0800
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Craig Lalley <[log in to unmask]>
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Craig Lalley <[log in to unmask]>
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To: Brian Donaldson <[log in to unmask]>
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Brian,

I am just guessing here, but if you change the file code with MPEX, it may be possible to extract the data using FCOPY.  Just define your fields right....

-Craig



--- On Fri, 12/18/09, Brian Donaldson <[log in to unmask]> wrote:

From: Brian Donaldson <[log in to unmask]>
Subject: KSAM Problem/Question
To: [log in to unmask]
Date: Friday, December 18, 2009, 4:50 PM

Can anyone tell me how I can read the records in a KSAM file that have
been logically deleted?

I have tried the FPOINT/FREADC combo intrinsics. When I do an FPOINT
on a record marked for deletion it returns a 170 error code. This is close to
what I need. If I hit a 170 then I want to be able to FREAD/FREADC/FREADDIR
the deleted record.


Unfortunately, after reviewing what is documented in the "Using KSAMXL" 
manual page 6-3 ("Deleting A Record") it states "Although the data still
occupies record space in the file, it is no longer possible to access the
record through standard read operations."

Ok, so what "non-standard" read operations can I use to get the data from
these logically deleted records?

TIA,

Brian Donaldson.

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