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File- Section &Working-Storage Section:
a) FILE SECTION:
The FILE SECTION includes the explanation of all data items that must be read from or written onto some external file.
b) WORKING-STORAGE SECTION:
The data items that are developed internally as intermediate result as well as the constants are explained in this section of the DATA DIVISION.
The format of the DATA DIVISION is as shown below:
DATA DIVISION.
[FILE SECTION.
File section entries.
......
......]
[WORKING-STORAGE SECTION.
WORKING-STORAGE ENTRIES.
All the section names as well as the division name should be coded as the margin A entries,
Each section of the DATA DIVISION is optional that means that a section may be omitted if there is no data which may be explained in a specific section. It is important to note that the sections to be included should appear in the order as shown above.
SIGN CONDITION: The sign condition establishes whether or not the algebraic value of an operand is negative, positive or zero. The operand can be either the numeric identif
PERFORM WITH VARYING OPTION: The format is as shown below:
GO TO, STOP RUN: The GO TO verb is used to completely transfer the control to elsewhere in the program. Its form is as shown below: GO TO procedure-name As a result o
Group Item as Operand in the Relational Condition: Whenever an operand of a relational condition is the group item, the item is then considered to be an alphanumeric field. Th
PROGRAM FOR SIZE ERROR: We have to write an easy program to elaborate the size error option. Identification division. Program- id. sizeerr. Environment division.
SEARCH VERB: The SEARCH verb is used to position elements in one-dimensional tables. Let us consider the following problem. Assume that each element of a table consists of thr
Example of Accept statement: For illustration, ACCEPT FLAG-A can be specified to read the value of the FLAG_A from the console. It may be keep in mind that no file definition
Example of compound condition: In common, a compound condition has the form which is as shown below: Where condition-1 & condition-2 can be any one of the below:
Common form of the READ statements: Format 1 is the common form of the READ statements. Format 2 is used when the access mode is either random or dynamic. For illustration,
COMPUTE VERB: The COMPUTE verb is very powerful. All the evaluations performed by the other 4 verbs can also be completed easily by using the COMPUTE verb. Its normal format i
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