Can we concatenate two Datasets having different LRECL? If yes, then how?

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Mazhar9

  • Apr 18th, 2008
 

Abhishek,

Let us say one file is having LRECL 20 and other one is having 80.. then Change the lowest LRECL 20 file format to 80 using 3.3 copy option then merge two files using sort.

ThnQ
Mazhar

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mainframeguru11

  • Jun 10th, 2008
 

THE RULE FOR CONCATANATION IS

1. LRECL and RECORD FORMAT SHOULD BE SAME
2. IF THE BLOCK SIZE IS DIFFERENT THEN LARGEST BLOCK SIZE DATASET SHOULD BE IN THE FIRST DSN NAME
3. DATASET MAY RESIDE IN DIFFERENT DEVICE AND VOLUMES.

dhs01

  • Apr 15th, 2009
 

The largest first rule is one that has not been applicable for awhile. At one time this was necessary because of buffer allocations. This is no longer required.

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