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IF
Posted: Thu Mar 12, 2020 7:22 pm
by luiscambuston
I am running this simple code
cUserName := "Luis"
If cUserName <> ""
? "Not Empty"
Else
? "Empty"
EndIf
The response is "Empty".
I tried everything that I can think.
Driving me crazy...
Thanks
Re: IF
Posted: Thu Mar 12, 2020 11:03 pm
by stefano
Try
if len(alltrim(cUserName )) > 0
Re: IF
Posted: Fri Mar 13, 2020 3:44 am
by Antonio Linares
Luis,
Code: Select all
If ! cUserName == ""
? "Not Empty"
Else
? "Empty"
EndIf
Re: IF
Posted: Sat Mar 14, 2020 4:01 pm
by MarcoBoschi
Code: Select all
[#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.
Re: IF
Posted: Sat Mar 14, 2020 10:39 pm
by luiscambuston
Basically this ! variable == "" works
This variable <> "" does not
this variable != "" does not....