How to test if a field does not contain anything else than returns or tab ?

Andre.Bisseret Andre.Bisseret at inria.fr
Tue Feb 3 10:01:38 CST 2009


Le 3 févr. 09 à 15:24, Mark Schonewille a écrit :

> Hi André,
>
> if number of words of fld "This Field" is 0 and (fld "This Field"  
> contains cr or fld "This Field" contains tab) then...
>
> --
> Best regards,
>
> Mark Schonewille

Bonjour Mark
Excellent :-)
Same answer as I made to Klaus : I feel ridiculous (so twice).
I seems really brain tired to day ;-)

Anyway, thanks a lot for this idea

Best regards from Grenoble
André

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> On 3 feb 2009, at 15:18, Andre.Bisseret wrote:
>
>> Bonjour,
>>
>> I need to test if a given list field in a stack contains some  
>> values or if it is empty.
>> Well, by "empty" I mean that the field contains not any word or  
>> number. But it happens that it may include carriage returns and/or  
>> tabs.
>> In such cases :
>> field "thisField" is empty
>> return false.
>>
>> If there were only carriage returns, I could test if each line of  
>> the field is empty;
>> indeed :
>> line x of fld "thisField" is empty
>> returns true if the only character in the line is cr
>> but returns false if there is at least one tab in the line.
>>
>> I just tried :
>> if last char of fld "thisField" is empty  ;-))
>>
>> that seems working well ! but a bit strange and might be not  
>> reliable ?
>>
>> Is there a better trick ?
>>
>> Thanks for any idea
>>
>> Best regards from Grenoble
>> André
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