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PROGRAM FOR PERFORM - THRU:
We have to write a program to elaborate PERFORM ...THRU statement
Identification division.
Program- id. Perfthru.
Environment division.
Data division.
Procedure division.
Para-1.
Display(1 1) erase.
Display "ABC".
Perform para-2 thru para-4.
Display "XYZ".
Stop run.
Para-2.
Display "DEF".
Para-3.
Display "GHI".
Display " Gandhi".
Para-4.
Display "Bharathiar".
The output of the above program will be ABC
DEF
GHI
Gandhi
Bharathiar
XYZ
Illustration of Perform with varying option: A) Perform para-3 varying the k from 1 by 1 until k > 10. Here para-3 will be constantly executed 10 times (For k=1,2,3, .....1
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REDEFINES CLAUSE: At times it may be found that two or more storage regions defined in the DATA DIVISION are not in use concurrently. In such situations only one storage regio
I uploaded a file from PC to Mainframe, variable LRCL 256. In my COBOL program I defined it as FD INPUT-FILE LABEL RECORDS ARE OMITTED BLOCK CONTAINS 0 RECORDING MODE
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