I have created a utility that will merge any two keyed physical files on the AS/400 or iSeries. This is something...
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that will get around copying together two files that are the same and have duplicate keys.
This utility uses a psuedo type of AI, as it figures out what the keys are for the file, creates an RPG program on the fly, compiles it and executes it to merge the two files. It has saved us many times when wanting to update a file with data but also save the old or new depending on which is the receiving library.
This utility uses a prompt screen that allows the user to only have to type in the file name and the From and To library name and press F6 to submit the job. Presto Mergeo -- and it is done.
Below are links for PDF documents for each source and one Word document needed for the Message file that needs to be set up.
The program MRGFILR1 is the Prompt screen program. This is where the user types in the file name and the From and To library. Most everything is self-explanatory on how to use it and what it does.
Just setup the source and compile, the MRGSKEL cannot be compiled, as it is what is used to create the program on the fly and it is commented to that fact.
Here is the PDM list of objects:
CMSGLE CLLE Merge 2 files: Clear MSGQ (Message Queue) MRGCKFLCL CLP Merge 2 files: Check if valid File/Library MRGCMPL CLP Merge 2 files: Compile created program MRGCRTCL CLP Merge 2 files: Create RPGLE program on the fly MRGFILDF DSPF Merge 2 files: Display file MRGFILECL CLP Merge 2 files: Run complete process MRGFILR1 RPGLE Merge 2 files: Prompt MRGGENPGM RPGLE Merge 2 files: Create RPGLE program from Skel MRGSKEL RPGLE Merge 2 files: Skeleton Merge program NO COMPILE MRGSUBMIT CLP Merge 2 files: Submit Merge SMSGLE CLLE Merge 2 files: Send message to (Message Queue)
Source files and Word document