Thx Razzak, that is exactly what I am using it for!!

Dan Goldberg


From: [email protected] <[email protected]> On Behalf Of Razzak 
Memon
Sent: Wednesday, April 24, 2024 2:49 PM
To: [email protected]
Subject: RE: [EXTERNAL] Re: [RBASE-L] - Checking Variables

IF (CHKVAR('vVarName')) <> 1 THEN
   SET VAR vVarName vartype = NULL
ENDIF
On 04/24/2024 5:48 PM EDT Razzak Memon 
<[email protected]<mailto:[email protected]>> wrote:


Here is how I use the (CHKVAR('varname)) function in all my applications when 
it is required.

IF (CHKVAR('vVarName)) <> 1 THEN
   SET VAR vVarName vartype = NULL
ENDIF

That way, without any -ERROR-message, etc., if the variable in question exists, 
nothing happens; if it doesn't exist, it creates one with a NULL value.

Very Best R:egards,

Razzak
On 04/24/2024 1:26 PM EDT 'Dan Goldberg' via RBASE-L 
<[email protected]<mailto:[email protected]>> wrote:

That was easy. Thx Bruce!
Dan Goldberg
From: [email protected]<mailto:[email protected]> 
<[email protected]<mailto:[email protected]>> On Behalf Of Bruce 
Chitiea
Sent: Wednesday, April 24, 2024 10:19 AM
To: [email protected]<mailto:[email protected]>
Subject: [EXTERNAL] Re: [RBASE-L] - Checking Variables


(CHKVAR('varname'))

 Checks to see if a variable name exists. The function returns an integer value 
of 1 if the variable name exists or declared, and 0 if it is not found or 
declared.


------ Original Message ------
>From "'Dan Goldberg' via RBASE-L" 
><[email protected]<mailto:[email protected]>>
To "[email protected]<mailto:[email protected]>" 
<[email protected]<mailto:[email protected]>>
Date 4/24/2024 10:16:01 AM
Subject [RBASE-L] - Checking Variables

I am looking for a way to check to see if a variable has been created.

Does anyone know a way to see if a variable has been created?

Dan Goldberg

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