Monday, 7 December 2015

AW: [firebird-support] string difficulty

 

Thank you Set J

 

Von: firebird-support@yahoogroups.com [mailto:firebird-support@yahoogroups.com]
Gesendet: Montag, 7. Dezember 2015 20:59
An: firebird-support@yahoogroups.com
Betreff: Re: [firebird-support] string difficulty

 

 

Den 07.12.2015 13:55, skrev 'checkmail' check_mail@satron.de
[firebird-support]:
> .. and if the ID has the length of 15 chars and only the las * is for
filling out to 16, i get a wrong result too.
>
> Can I compact my code?
>
> if(char_length(str)>16) then
> begin
> str = left(:str,16);
> while (k = 1) do
> begin
> if(right(str, 1) = '*') then
> begin
> str = left(str,char_length(str)-1);
> end
> else
> begin
> teil = str;
> k = 0;
> end
> end
> end
>
> (exept the one begin-end (only one command can be without..)
>

http://www.firebirdsql.org/refdocs/langrefupd25-intfunc-trim.html

Hence, I think your 16 lines above can be replaced by one simple line
(if you use Fb 2.5):

str = trim (trailing '*' from left(:str, 16));

HTH,
Set

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