Ü  OCCUR (Set the Occurrence or Get the occurrence of a Data Structure)

·         The OCCUR operation establishes which occurrence of a multiple occurrence data structure is used next in a program.

·         If factor 1 is a data structure name, it must be a multiple occurrence data structure. The current occurrence of the data structure in factor 1 is used to set the occurrence of the data structure in factor 2.

 

Factor 1

Op-code

Factor 2

Result Field

Resulting Indicators

       HI                            LO                      EQ

Occurrence Index

OCCUR(E)

Data structure

Current Occurrence index

 

ER

 

 

 

Example

 


Columns . . . :    6  80                   Browse                            AMINEM/QRPGLESRC
SEU==>                                                                                MULTDS
FMT D  DName+++++++++++ETDsFrom+++To/L+++IDc.Keywords+++++++++++++++++++++++++++++
*************** Beginning of data ****************************************************
0001.00 D DS1             DS                  OCCURS(10)                                130118
0002.00 D FLD01                   1      5                                              130130
0003.00 D FLD02                   6     10                                              130130
0004.00 DX                S              2  0 INZ(1)                                    130118
0005.00 DN                S              2  0 INZ(1)                                    130130
0006.00                                                                                 130118
0007.00 C     X             DO        5                                                 130130
0008.00 C     X             OCCUR     DS1           N                                   130130
0009.00 C                   EVAL      FLD01=%char(X)                                    130130
0010.00 C                   EVAL      FLD02=%char(X)                                    130130
0011.00 C                   EVAL      X=X+1                                             130118
0012.00 C     DS1           DSPLY                                                       130118
0013.00 C     N             DSPLY                                                       130130
0014.00 C                   ENDDO                                                       130118
0015.00 C                   SETON                                        LR             130118
****************** End of data *******************************************************



OUTPUT


DSPLY  1    1        

DSPLY   1            

DSPLY  2    2         

DSPLY   2             

DSPLY  3    3            

DSPLY   3                

DSPLY  4    4            

DSPLY   4                

DSPLY  5    5            

DSPLY   5

 

 










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