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As of now in production it is reading through the file and running for long time just to pick up the LAST RECORD in the file (trailer).
As I need to validate trailer I want to read the last record in CLP program , as this is existing program and I do not want to go for new program (RPGLE).
Also I think I can not use CLF also, as this is external licensed tool.I do not think we buy it.
-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Albert York
Sent: Thursday, May 27, 2010 5:00 AM
To: Midrange Systems Technical Discussion
Subject: Re: READ PREVOIUS in CLP
If you need to do it in C/L simply read through the file and move the
record to a variable. When you are done the variable will contina the
last record.
Albert
On Wed, May 26, 2010 at 3:46 PM, Bruce Vining <bvining@xxxxxxxxxxxxxxx> wrote:
Vendor response.--
Though the Control Language for Files (CLF) web site is experiencing some
problems right now, the Read Record using CLF (ReadRcdCLF) command directly
supports reading the *LAST record of a file (in addition to *PRV, *NXT,
*KEY, *RRN, etc). This can be done using the no-charge CLF run-time option
though productivity will be higher using the fee-based CLF precompiler.
Using CLF there is no need to write another program using a language such as
RPG or COBOL in order to do file operations.
Bruce Vining
On Wed, May 26, 2010 at 9:47 AM, DeLong, Eric <EDeLong@xxxxxxxxxxxxxxx>wrote:
That sounds like a REALLY BAD IDEA.... Sorry, but I think this would be
guaranteed to screw up if there are any deleted records in the file...
Why try to force this into CL, when that language is unable to support
your requirements?
Jmo,
-Eric
-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx
[mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Pat Barber
Sent: Wednesday, May 26, 2010 9:00 AM
To: Midrange Systems Technical Discussion
Subject: Re: READ PREVOIUS in CLP
It would take some screwing around but, by finding out the
record count of the file with a rtvobjd , you could position by record
count-1
and then do a ovrdbf with that record number.
Would be a tad messy but can be done.
Gangasani, Bhargava wrote:
Hi,--
Using CLP I can read a specific RRN/ Key record using below code.
DCLF Z5PFILEP
OVRDBF FILE(Z5PFILEP) TOFILE(Z5PFILEP) +
POSITION(*RRN 4) SHARE(*NO)
RCVF
Question is: I can place my pointer at *END of file as
OVRDBF FILE(Z5PFILEP) TOFILE(Z5PFILEP) +
POSITION(*END) SHARE(*NO)
But How I can read the previous record. That is the Last record of the
file.
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Regards,
Bruce
www.brucevining.com
www.powercl.com
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