[Isis-users] Help with Cisis - deleting only certain occurrences

[spinaker]

Dear Renate

The fields are repeatable, so if you remove one occurrence then the 
remaining ones are automatically renumbered
Due to the re-sequencing, it is not simple to delete several occurrences 
if they are not consecutive or there are intermediate occurrences
In your case, you want to delete the first three, it is easier

mx snd300 "proc ='d69/1d69/1d69/1" copy = snd301

but this must be analyzed case by case, there are no general rules

regards
ernesto spinak




El 3/3/2021 a las 15:08, Renate Morgenstern escribió:
> Hi Ernesto,
>
> I am struggling with mx.
> How do I only delete certain occurrences of a tag in a database? I 
> have the following command, but then it deletes ALL the occurrences of 
> tag 301:
>
> mx snd300 "proc=(if v301*0.1='0' then 'd301[1]' fi,)" copy=snd301 now -all
>
> When I add [1] after d301 I get the following error message:
>
> fatal: [1]d301[1]d301[1]
>
> I would like that it deletes occurrences 1-3 only.
>
> Thanks in advance for your help.
>
> Renate
> -- 
> Renate Morgenstern
> Tel.: +264 61 242124
> Cell: +264 81 2910284
> Fax: 088637518
> 10023, Windhoek, Namibia
>

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