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Interesting code.  You could also have issues if the string being scanned 
for begins in one array element and finishes in the next.

Rob Berendt
-- 
Group Dekko Services, LLC
Dept 01.073
PO Box 2000
Dock 108
6928N 400E
Kendallville, IN 46755
http://www.dekko.com





Keith E Smith <keith@xxxxxxxxxx> 
Sent by: rpg400-l-bounces+rob=dekko.com@xxxxxxxxxxxx
04/21/2005 12:41 PM
Please respond to
RPG programming on the AS400 / iSeries <rpg400-l@xxxxxxxxxxxx>


To
RPG programming on the AS400 / iSeries <rpg400-l@xxxxxxxxxxxx>, 
luqman@xxxxxxxxxxxxxxxx
cc

Subject
Re: Array Lookup in ILERPG ?






%lookup is fine for a whole item match.  My docs don't show a way to 
look for a particular string anywhere in the array.  They could be out 
of date.  Assuming you didn't mean whole string match or gt/lt matches 
and you are looking for a needle anywhere in the haystack, you could use 
a pointer ala:

       *!rpgle
      Dmyar             s             80a   dim(50)

      Dmyar_ptr         s               *   inz(%addr(myar))
      Dmyar_string      s           4000a   based(myar_ptr)
. . .
       /free
             pos = %scan("something":myar_string);
             if pos > 0;
                 ar_ix = %int(pos/80);
                 ar_ixpos = %fpt(pos/80);
             endif;
. . .

Would yeild the array element in ar_ix and the position within that 
element in ar_ixpos.

This could be trivially put in a function/procedure, but I'm not sure 
what it would buy you over a loop, unless you were just looking to see 
if it is there ie, myar is a text message and you are just checking to 
see if a particular word is in there anywhere:

if %scan("badword":myar_string);
     exsr abort_send;
endif;

--Keith


rob@xxxxxxxxx wrote:
> If you use WDSC try:
> 
http://127.0.0.1:4126/help/topic/com.ibm.etools.iseries.langref.doc/c0925085641.htm#HDRBBLOO

> 
> If you use stone knives and bearskins try:
> 
http://publib.boulder.ibm.com/infocenter/iseries/v5r3/ic2924/books/c092508429.htm#HDRBBLOO

> 
> Rob Berendt

=====
> Is there any function to search for string in an Array in ILERPG, 
instead 
> of
> using loops ?
> 
> Best Regards,
> 
> Luqman
> 
> 
> 
> 
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