Prerequisites for concatenating datasets

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Prerequisites for concatenating datasets


What are the conditions that are required for concatenating datasets or PDS
using a JCL?
I have read in tutorials somewhere that these need to have same LRECL, is it correct?
Can some one point to all the conditions for concatenating? Like conditions for concatenation of Ps and concatenating PDS etc
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Joined: 12/26/2011 - 06:34
Concatenating Datasets

For fixed-length records, they should all have the same lrecl (unless there is code in place that will handle this).

For variable-length records, the lrecl does not have to be the same, but the largest lrecl should be first in the concatenation.

Output datasets cannot be concatenated.

Suggest you read the JCL Reference for complete info about concatenation.

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