WORKING-STORAGE SECTION is used to describe constants, end-of-file indicators, temp variables used in programs. Data items describe in this section get initialized only for the first invocation of the program in the run unit
WORKING-STORAGE SECTION is used to describe the data items (variables) that program needs for internal manipulation of data.
When program execution starts the memory will be allocated to data items described in WORKIN-STORAGE SECTION, and memory will be de-allocated when the program execution completes.
Data items described in WORKING-STORAGE SECTION is used internally in program and cannot be used outside the program
The basic structure of WORKING-STORAGE SECTION is given below:-
DATA DIVISION.
WORKING-STORAGE SECTION.
[ws-section-entries…]
Example:-
DATA DIVISION.
WORKING-STORAGE SECTION.
01 DATE VALUE IS “28012018”.
05 DD PIC X(2).
05 MM PIC X(2).
05 YYYY PIC X(4).
01 TOTAL-VALUE PIC 9(10).
01 FILE-STATUS-1 PIC X(02).
01 WS-EOF-SWITCH PIC X(01) VALUE SPACE.
88 EOF-SWITCH VALUE 'Y'.
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