RE: Proper handling of subfiles

ReadC subfile;

DoW Not %Eof(displayFile)

If field1 <> *BLANKS or
  field2 <> *BLANKS or
  field3 <> *BLANKS;
    // process data
EndIf

ReadC subfile;
EndDow;

This will read the changed records, but if the record has been chaged to all
blanks it will ignore it and read the next changed record.

Duane

-----Original Message-----
From: Douglas W. Palme [mailto:dpalme@xxxxxxxxxxx]
Sent: Friday, December 02, 2005 1:32 PM
To: RPG Group
Subject: Proper handling of subfiles


I have a question that has bothered me for sometime now, regarding how to 
properly handle entry in a subfile.

I will attempt to put this into context of a three field subfile containing 
ten rows.

All three fields are type ALPHA, 5 characters in length....

Using RPG I can check the subfile to see if there were any records that were

changed, IE: added and can then verify the data before writing it to the 
file.  In theory that is fandamntastic.  However what is the proper way to 
handle say the second row of data where the user initially entered something

and then decided naw, isn't needed or was a mistake so they removed it. 

If I understand how the next changed record works, it will come up with both

lines 1 and 2 even though 2 really has not been changed.....IE: no data 
contained within.

Suggestions?  Or do I need to check each possible line and if there is no 
data, end the processing.

Douglas

If you bought it, it was hauled by a truck - somewhere, sometime.