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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
SEQUENTIAL FILES WITH THE VARIABLE-LENGTH RECORDS: The Magnetic - tape or disk files can hold variable-length records. In this situation the file can have records with various
Example of condition names: The illustration below is of the use of the condition names 77 MARITAL-STATUS PIC 9 88 SINGLE VALUE IS ZERO 88 MA
calculate simple interest
Example of File-control: The assign clause assigns a specific physical peripheral device name to a file. The physical peripheral device are machine-dependent. We use the devic
RELATIVE FILES: The Files that are stored on a direct access storage medium like magnetic disk are frequently known as direct access files. The COBOL supports three different
PROGRAM FOR SUBTRACT VERB: We have to write a simple program to elaborate the SUBTRACT verb. You can also use edit characters in the program. Identification division. Pr
PERFORM WITH UNTIL OPTION: The format is as shown below: Illustration: A) Perform p-3 until i > 5. Here p-3 will be executed whenever i B) Perform p-2 thru
PROGRAM FOR SCREEN SECTION: identification division. program- id. environment division. data division. working-storage section. 01 a pic 9(2) value
Block Size: The normal practice is to group a number of consecutive records to form that is termed as a block or a physical record. The number of records in a block is frequen
PROCEDURE DIVISION statements for the indexed files: All the statements which are available for a relative file are also available for an indexed file. READ STTATEMENT :
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