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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
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FILE-CONTROL ENTRIES FOR THE SEQUENTIAL FILES: The characteristics of each and every files handled in a program are specified in the ENVIRONMENT DIVISION and DATA DIVISION.
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PROGRAM FOR PERFORM ...UNTIL We have to write a program to find the sum of "n" natural numbers. Identification division. Program- id. PerfUntil. Environment division.
we have input file ,record layout is EMP ID (6 char) , EMP NAME (20 char), Designation (3 char),Salary (5 digit) Base Branch (10char) Grade (3 Alphanumeric). This is the input file
B (Blank Insertion) : The occurrence of a B anyplace in the picture will insert a space character in the edited data. There can be more than one B in the picture. Examples:
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Picture Clause: The picture clause explains the general characteristics of an elementary data item. These characteristics are elaborated below: Class: In COBOL the
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