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Example of Sign condition:
The illustration below describes the use of the sign condition.
Illustration:
77 BALANCE PIC S9 (6) V99.
.
IF BALANCE IS ZERO GO TO NIL-BALANCE.
It may be illustrious that the above IF statement is equivalent to the below statement which makes use of the relational condition.
IF BALANCE = 0 GO TO NIL-BALANCE.
02 DEPOSIT PIC 9(4) V99.
02 WITHDRAWAL PIC 9(4) V99.
IF DEPOSIT -WITHDRAWAL IS POSITIVE GO TO CALCULATION.
The control is transferred to the paragraph named the CALCULATION if the present value of the DEPOSIT is greater than that of the WITHDRAWAL.
In normal, any sign condition can be substituted by an equivalent relational condition. Use of the sign condition might perhaps be convenient in many cases and it may also use to increase the readability of the statement which uses it.
READ STATEMENT: The aim of this verb is to make available the next logical record from the input file. It is important to note the meaning of the "next" logical record in the
PICTURE specification: The size of a group item is equivalent to the total of the sizes of all the subordinate elementary items. The group item class is alphanumeric. The i
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.
FILE-CONTROL paragraph for the indexed files: The common format for the SELECT clause for a file is as shown below: SELECT file-name ASSIGN TO implementor -name
WRITE statement: The WRITE statement for tape and sequential-disk files has the syntax shown below. WRITE record-name [ FROM identifier ] As a resu
Configuration Section: This section holds an overall specification of the computer used for the purpose of the compilation and execution of the program. There are in all 3 par
OCCURS - INDEXED BY PROGRAM: identification division. program- id. searching. environment division. data division. working-storage section. 01 table1. 0
single program how may when statement has used
STATEMENTS FOR SEQUENTIAL FILES: A basic operation on a file includes the reading and writing of its records. Whenever the file is sequential, there are three verbs for the
RULES FOR OCCURS CLAUSE: The rules apply for the OCCURS clause and the subscripts are as shown below. (1) The integer in the OCCURS clause should be a positive integer.
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