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If i am going to change some variable in a copybook( size or
variable type) ,what are the changes that need to be done in
the corresponding JCL.
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Answer Posted / yashwant
If that copybook represents some data set in JCL and we are going to modify(changing length of any variable) the copybook and we are going to write some records in that dataset than we should have to modify the Logical record length(LRECL)of that dataset in JCL
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