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WHY LRECL NEEDS TO BE 4 EXTRA THEN THE COBOL FILE LENGTH &
WHAT IT CONTAIN IN THAT LENGTH

Question Posted / shekh

Answers were Sorted based on User's Feedback



WHY LRECL NEEDS TO BE 4 EXTRA THEN THE COBOL FILE LENGTH & WHAT IT CONTAIN IN THAT LENGTH..

Answer / mainframe.rahulz

First thing is we can see this kind of differece only in VB
files not in fixed block files.

LRECL of VB file will contain the maximum record length of
a file + 4 bytes RDW(Record Descriptor Word) field which
gives the length of the record as the file contains
variable record lengths.

Example : if we have EMP-FILE VB file which contains 80
THRU 100 CHARECTERS

So the LRECL of this file is going to be 100+4 which is 104
bytes.

Please do let me know in case of any comments/queries.

Is This Answer Correct ?    18 Yes 3 No

WHY LRECL NEEDS TO BE 4 EXTRA THEN THE COBOL FILE LENGTH & WHAT IT CONTAIN IN THAT LENGTH..

Answer / narinder

In JCL, LRECL NEEDS TO BE 4 EXTRA THAN THE COBOL FILE LENGTH in case of Variable Block File. Since length of each record varies in the file, the first 4 bytes contains the length of the corresponding record.

Please correct me if I am wrong.

Is This Answer Correct ?    8 Yes 2 No

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