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That's the best example I've ever heard to be quite honest.  That's one 
tip I'll remember for future use, thanks Rex.

Ron Power
Programmer
Information Services
City Of St. John's, NL
P.O. Box 908
St. John's, NL
A1C 5M2
Tel: 709-576-8132
Email: rpower@xxxxxxxxxx
Website: http://www.stjohns.ca/
___________________________________________________________________________
Success is going from failure to failure without a loss of enthusiasm. - 
Sir Winston Churchill




"Rex Capio" <rex_capio@xxxxxxxxxxxxxxxxxxxxx> 
Sent by: rpg400-l-bounces@xxxxxxxxxxxx
12/30/2004 02:41 PM
Please respond to
RPG programming on the AS400 / iSeries <rpg400-l@xxxxxxxxxxxx>


To
"'RPG programming on the AS400 / iSeries'" <rpg400-l@xxxxxxxxxxxx>
cc

Subject
RE: Select/When vs. If/ElseIf






I use IF/ELSEIF inside SELECT/WHEN (SELECT/WHEN inside IF/ELSEIF) to avoid
confusion that the inner clause is part of the main clause.

Example: 
                                                 SELECT;
                                                 WHEN            SHADE = 
'BLUE;
                                                   IF COLOR = 'MIDNIGHT';
                                                      (MIDNIGHT BLUE 
CALCULATION)
                                                   ELSEIF COLOR = 'NAVY';
                                                      (NAVY BLUE 
CALCULATION)
                                                   ELSE;
                                                     (OTHER BLUE SHADE 
CALCULATION)
                                                   ENDIF;
                                                 WHEN SHADE = 'RED';
                                                   IF COLOR = 'RUBY';
                                                       (RUBY RED 
CALCULATION)
                                                   ELSEIF COLOR = 
'GERANIUM';
                                                       (GERANIUM RED 
CALCULATION)
                                                   ELSE;
                                                       (OTHER RED SHADE 
CALCULATION)
                                                   ENDIF;
                                                 WHEN SHADE = 'GREEN';
                                                    IF COLOR = 'MINT';
                                                       (MINT GREEN 
CALCULATION)
                                                    ELSEIF COLR = 'LIME';
                                                       (LIME GREEN 
CALCULATION)
                                                    ELSE 
                                                       (OTHER GREEN SHADE 
CALCULATION)
                                                    ENDIF;
                                                 OTHER;
                                                     (OTHER SHADE 
CALCULATION)
                                                 ENDSL;


 

-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx [mailto:rpg400-l-bounces@xxxxxxxxxxxx]
On Behalf Of RPower@xxxxxxxxxx
Sent: Thursday, December 30, 2004 12:23 PM
To: RPG programming on the AS400 / iSeries
Subject: Re: Select/When vs. If/ElseIf

<snip>
Select;
When Good;
  ...
When Reason=UserMoron;
  ...
When Reason=ManagerMoron;
  ...
Other;
  // Programmer oopsed
EndSl;
<snip>

I find most fall into the second and third When statements.

:)  VBG


Ron Power
Programmer
Information Services
City Of St. John's, NL
P.O. Box 908
St. John's, NL
A1C 5M2
Tel: 709-576-8132
Email: rpower@xxxxxxxxxx
Website: http://www.stjohns.ca/
___________________________________________________________________________
Success is going from failure to failure without a loss of enthusiasm. - 
Sir Winston Churchill




rob@xxxxxxxxx 
Sent by: rpg400-l-bounces@xxxxxxxxxxxx
12/30/2004 10:12 AM
Please respond to
RPG programming on the AS400 / iSeries <rpg400-l@xxxxxxxxxxxx>


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

Subject
Re: Select/When vs. If/ElseIf






Haven't seen anything performance wise.

I've gotten into the habit of using the IF rarely.  Even on the most basic 


of checking.  I find that using select not only gives me more flexibility 
for future operations, but encourages me to think more flexible.  For 
example instead of just a 

If NotGood;

I start to think why it may not be good.

Select;
When Good;
  ...
When Reason=UserMoron;
  ...
When Reason=ManagerMoron;
  ...
Other;
  // Programmer oopsed
EndSl;


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





"Kurt Anderson" <kjanderson@xxxxxxxxxxxxx> 
Sent by: rpg400-l-bounces@xxxxxxxxxxxx
12/29/2004 05:12 PM
Please respond to
RPG programming on the AS400 / iSeries <rpg400-l@xxxxxxxxxxxx>


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

Subject
Select/When vs. If/ElseIf






Is there a difference to these two types of condition checking?
They seem identical in function at a high level, so I'm unsure if one is
better performance-wise or something.  I guess I'm looking for something
to distinguish the two so I know when to use one and when to use the
other.
 
Thanks,
 
Kurt Anderson
Application Developer
Highsmith Inc.
W5527 State Road 106, P.O. Box 800
Fort Atkinson, WI 53538-0800
TEL (920) 563-9571  FAX (920) 563-7395
EMAIL kjanderson@xxxxxxxxxxxxx
 
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