RE: Array Lookup in ILERPG ?

["Joel Fritz" <JFritz@xxxxxxxxxxxxxxxx>]

If the substring needs to be contained entirely in an array element
you'll have to do the storage mapping stuff for the first and last
character in the substring or use %scan in a loop.  If the substring can
occur more than once you'll have to use %scan in a loop.

> -----Original Message-----
> From: rpg400-l-bounces@xxxxxxxxxxxx
> [mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of rob@xxxxxxxxx
> Sent: Thursday, April 21, 2005 11:48 AM
> To: RPG programming on the AS400 / iSeries
> Subject: Re: Array Lookup in ILERPG ?
>
> 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.langre
> f.doc/c0925085641.htm#HDRBBLOO
>
> >
> > If you use stone knives and bearskins try:
> >
> http://publib.boulder.ibm.com/infocenter/iseries/v5r3/ic2924/b
> ooks/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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