Hi Everybody … this is my first attempt to use this resource. I think I have a good question and would welcome advice.

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Language: AS400/RPGLE (RPG IV) Area: Data Structures over a physical file I have created some work data structures to store field data in during a work-in-process user session. I want to: 1) CHAIN to a specific record in a physical file 2) Move data from the record to the working data structure using only one command: MOVEA (record data struc) (work data struc) ----- Problem: I'm cannot seem to successfully create a data structure over an item file in the "D" specifications area and use the MOVEA opcode to move data in one shot to the work data structures. I've researched the AS400 manuals and the Cozzi book without success. Can anyone help??? Thanks for your time on this. Marius
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Dude, you are using wrong op code. Here is some pseudo code:
F ItemFile

D fileds E DS EXTNAME(itemfile)
D workds E DS EXTNAME(itemfile) prefix(z:1)

C keylist chain itemfile
C if %found(itemfile)
C eval workds = fileds
C endif

Now all fields are available and if you need to update, then EVAL FILEDS = WORKDS and do an update. MOVEA is for arrays, not data structures. Try Bob Cozzi’s group for basic code stuff like this. Or even Google would pulled it probably.

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  • Teamsi
    You can also try to use LIKEREC data structures and perform I/O directly into these data structures in one statement. The fields are referenced as Qualified.Names (which allows for better documentation as to where the fields are coming from - this can be useful as programs are becoming ever the more complex) FCUSTFILE IF E K DISK D custRecDs ds likerec(custRec) /free // Read the record directly into the data structure chain (?abc? : ?AB?) custRec custRecDs; // Use the data structure fields if (custRecDs.code = *BLANKS); custRecDs.code = 'X'; update custRec custRecDs; endif;
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