About Run Time Arrays

Mohan K
695 pts.
Tags:
I-Spec
RPG
RPGLE
Runtime arrays
Hi, Can anyone help me how can i use Run time ARRAYS in RPGLE PROGRAM and give me some examples to load array with records from file,when i am trying to define file in 'I' spec it is giving me compile time error please can any one give complete program example to work with runtime arrays
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Hi,

Your file should be defined in the F spec. Why are you defining it in the I spec?

Regards,

Martin Gilbert.

Declare the file in F specs as externally defined

D Specs or I Specs can be used to map an array over the fields in the physical file
D testds ds
D SlsArray 10S 2 Dim(12)
D JanSales 1 10S 2
D FebSales 11 20S 2
D …
D DecSales 111 120S 2

When you read a record that contains the fields JanSales…DecSales the values will be available in the array fields SlsArray(x) and if you change the values in the SlsArray and update or write the record those values will be in the file in the fields JanSales … DecSales

PhilL

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  • graybeard52
    Here is an example how you can load the array QtrSales with data from a file containing fields Qtr1, Qtr2, Qtr3, Qtr4 
         FArrayFile IPE  E             Disk                                 
     FQsysPrt   O    F  132        Printer                              
     D                                                                  
     D Total           S             11P 2                              
     D                                                                  
     D SalesData       DS                                               
     D   Qtr1                                                           
     D   Qtr2                                                           
     D   Qtr3                                                           
     D   Qtr4                                                           
     D   QtrSales                          Overlay(SalesData)           
     D                                     Like(Qtr1) Dim(4)            
     D                                                                  
     D                                                                  
     IArrayRF       01                                                  
     C                   Xfoot     QtrSales      Total                  
     C                                                                  
     OQsysPrt   D    01                                                 
     O                       Qtr1          J                            
     O                       Qtr2          J                            
     O                       Qtr3          J                            
     O                       Qtr4          J                            
     O                       Total         J
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  • Stark123
    HOPTION(*NODEBUGIO)                                      
    F* F I L E    D E F I N I T I O N                        
    FXARRPF1   IF   E             DISK                       
    D* A R R A Y    D E F I N I T I O N                      
    DARR1             S             10A   DIM(3)             
    DUI               S              3S 0 INZ(1)             
    C* FNAME / MNAME / LNAME ARE FIELDS OF PHYSICAL FILE     
    C                   READ      XARRPF1                    
    C                   EVAL      ARR1(1) = FNAME            
    C                   EVAL      ARR1(2) = MNAME            
    C                   EVAL      ARR1(3) = LNAME            
    C* DISPLAYING ARRAY RESULT                               
    C                   DOW       UI < 4                     
    C     ARR1(UI)      DSPLY                                
    C                   EVAL      UI +=1                     
    C                   ENDDO                                
    C                   EVAL      *INLR = *ON                
                                                             
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