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Focal Point    Focal Point Forums  Hop To Forum Categories  WebFOCUS/FOCUS Forum on Focal Point     Deleteing Amper variables

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Deleteing Amper variables
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Jud
Silver Member
posted
is this possible in WebFOCUS Version 5.3.2?
my code is

-SET &ZERO = 0;
-? &
-*PRINTS ZERO = 0
(delete zero here)


and I already tried
-DELETE &ZERO;
DELETE &ZERO;
-SET &ZERO = NULL;

thanks
 
Posts: 38 | Registered: October 10, 2006Report This Post
RickW
Platinum Member
posted Hide Post
-SET &ZERO=' ' ;
-SET &ONE = 1 ;
-SET &XX = &ONE + &ZERO;
-TYPE &ZERO &XX


WebFOCUS 7.6.6/TomCat/Win2003,SQL Server 2005,Oracle
 
Posts: 125 | Location: New England | Registered: February 20, 2007Report This Post
Jud
Silver Member
posted Hide Post
thanks for the reply rickw, but this does not seem to work for me, after i do "-? &" I can still see the &zero and &one variables
 
Posts: 38 | Registered: October 10, 2006Report This Post
Leah
Virtuoso
posted Hide Post
Is the question here, you want the &ZERO to disappear as a variable name or you want its value gone? I'm not sure what you do to 'delete &variable names'.


Leah
 
Posts: 1317 | Location: Council Bluffs, IA | Registered: May 24, 2004Report This Post
Alan B
Virtuoso
posted Hide Post
I am sure that you cannot remove an &variable from the &variable list, but you can make it act as though it does not exist, almost like deactivating it, by:
-SET &ECHO = ALL;
-SET &ONE = 'myvalue';
-TYPE ONE IS HERE - &ONE

-SET &ONE = IF 1 EQ 2 THEN 3;
-TYPE ONE IS GONE  - &ONE

The lack of an ELSE in the IF causes this behaviour.


Alan.
WF 7.705/8.007
 
Posts: 1451 | Location: Portugal | Registered: February 07, 2007Report This Post
FrankDutch
Virtuoso
posted Hide Post
It would be a nice add to be able saying something like

-CLEAR &ONE

or

-CLEAR ALL &

maybe it's an undocumented function?




Frank
prod: WF 7.6.10 platform Windows,
databases: msSQL2000, msSQL2005, RMS, Oracle, Sybase,IE7
test: WF 7.6.10 on the same platform and databases,IE7

 
Posts: 2387 | Location: Amsterdam, the Netherlands | Registered: December 03, 2006Report This Post
ira
Platinum Member
posted Hide Post
Frank, that would be a nice feature indeed.
Jud: There is no way to remove the & per se that I am aware of, but you can disable it as Alan suggested. Not sure if the 'value' or the '&' is what is desired to be deleted here. What is the concern? If you want to limit the # of &'s in the program, then what you can do is once you have completed a use of an &, either zero or blank it out, and then use it for another &. In the old days (uh oh I used the word 'old') the way to remove && var's [globals-which differs from local &'s ] was by issuing a 'let clear *' command. But that obviously has a down side to it (you'd lose all your &&'s). Brw, that wasn't a documented feature, and may have been corrected in recent years anyway.

Ira
Prod 5.3.6. aix 533 TEST 7.6.1 windows

O and one other point. -DELETE ? Does that even work?


aix-533,websphere 5.1.1,apache-2.0,
wf 538(d), 537 (p),
==============
7.6.11 (t) aix 5312
websphere 6.1.19
apache 2.0
 
Posts: 195 | Registered: October 27, 2006Report This Post
Jud
Silver Member
posted Hide Post
Thanks, all. Again, help much appreciated.

The goal was to unallocate variables - something like 'free' might be used in other languages.
 
Posts: 38 | Registered: October 10, 2006Report This Post
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