topic-38615

Posts: 22

Joined: Mon Mar 02, 2020 12:00 AM

IF
Posted: Thu Mar 12, 2020 07:22 PM

I am running this simple code

cUserName := &quot;Luis&quot;

If cUserName &lt;&gt; &quot;&quot;   
    ? &quot;Not Empty&quot;
Else
    ? &quot;Empty&quot;
EndIf

The response is "Empty".
I tried everything that I can think.
Driving me crazy...

Thanks

stefano

Posts: 80

Joined: Tue Mar 25, 2008 09:03 PM

Re: IF
Posted: Thu Mar 12, 2020 11:03 PM

Try

if len(alltrim(cUserName )) > 0

FWH 14.11 + xHarbour + bcc582

Antonio Linares

Posts: 44158

Joined: Thu Oct 06, 2005 05:47 PM

Re: IF
Posted: Fri Mar 13, 2020 03:44 AM

Luis,

Code (fw): Select all Collapse

If ! cUserName == ""
   ? "Not Empty"
Else
   ? "Empty"
EndIf

regards, saludos

Antonio Linares
www.fivetechsoft.com

MarcoBoschi

Posts: 1091

Joined: Thu Nov 17, 2005 11:08 AM

Re: IF
Posted: Sat Mar 14, 2020 04:01 PM

Code (fw): Select all Collapse

[#include "Set.ch"
FUNCTION MAIN()

? set(_SET_EXACT )
cUserName := "Luis"

If cUserName <> ""
? "Not Empty"
Else
? "Empty"
EndIf

SET EXACT ON
? set(_SET_EXACT )

cUserName := "Luis"

If cUserName <> ""
? "Not Empty"
Else
? "Empty"
EndIf


RETURN NIL

SET EXACT
Determines the mode for character string comparison.
Syntax
SET EXACT on | OFF | ( <lOnOff> )

Arguments
on | OFF | ( <lOnOff> )
on | OFF | ( <lOnOff> )
This option toggles if an exact comparison is performed with character strings. or not.
The default is OFF or .F. (false), i.e. characters are compared up the length of the shorter string.
To change the setting use ON or .T. (true) as parameter.
The parameter can also be specified as a logical expression enclosed in parentheses.

Marco Boschi
info@marcoboschi.it

luiscambuston

Posts: 22

Joined: Mon Mar 02, 2020 12:00 AM

Re: IF
Posted: Sat Mar 14, 2020 10:39 PM

Basically this ! variable == "" works
This variable <> "" does not
this variable != "" does not....

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