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  1.  Home
  2. RPG400-L
  3. November 2000

RE: More detail RE: Fast File Compare

  • Subject: RE: More detail RE: Fast File Compare
  • From: "Wanda Gigger" <wgigger@xxxxxxxxxxxxxxxxx>
  • Date: Tue, 14 Nov 2000 14:49:00 -0600
  • Importance: Normal
Title: More detail RE: Fast File Compare
Not sure if this is what you want to hear, but why not add two more fields (LSTUSER and LSTUPD).  We add these two fields to each file, and anytime a record is created or updated, we populate that record with the userid (last user) and ymd (current date) from the AS/400. 
 
Everyday you will know which records were changed in the past 24 hours and who changed them.  You will then only need to compare a lower subset of records in the file.
-----Original Message-----
From: owner-rpg400-l@midrange.com [mailto:owner-rpg400-l@midrange.com]On Behalf Of Hatzenbeler, Tim
Sent: Tuesday, November 14, 2000 11:42 AM
To: 'RPG400-L@midrange.com'
Subject: More detail RE: Fast File Compare

Actually its an application that needs to be ran daily.

What I have is a one of our Inventory systems is running on a PC.  But the auditing facility on the PC software is very weak.  So what I wanted to do was download the whole inventory file every night, and compare it with the previous days download (image) and match up each corresponding item and see if any records had been changed, and kick an exception report so our accountants can account for them.  

99% percent of our inventory is on the as/400 except for this one piece, because it a specialized application...  So everynight, I read all the data, and create records into our as/400 Materials Management system...  But it's only about 97% reliable, so this is why I have now decided to take the whole inventory file each night, and match the integrity of the data...

And since it will run every night, I was hoping to program it in an a efficient way...

And right now its' via using the prefix command and the externally defined data structures, with a compare at the datastructure level...

I was wondering if using the eval was the quickest way or should I use some type of pointer to compare the locations in memory?

Or if there was a faster way, because this file will only get bigger...  And the PC software will let them change and record no matter how old it is, with no way of telling me about the change.

tim


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