[Gmsh] substring in gmsh script

[Олег Рябков]

Thank you very much for this improvement! It surely will be useful for
everyone.

2016-11-28 22:09 GMT+03:00 Christophe Geuzaine <cgeuzaine at ulg.ac.be>:

>
> > On 25 Nov 2016, at 14:43, Олег Рябков <oleg.ryabkov.87 at gmail.com> wrote:
> >
> >    Dear mesh users and developers.
> > Given some string (in gmsh script), for example, view name
> > test = Str( View[0].Name );
> > which can be printed using:
> > Printf(test);
> > I want to get substring of this string, for example first 5 characters
> of 5 last ones. But i don't see any built-in functions for this purpose.
>
> Indeed, there were none. I've added them: you can now do e.g.
>
> test = StrSub( View[0].Name , start );
>
> or
>
> test = StrSub( View[0].Name , start , len);
>
> Christophe
>
> > None of expressions work for me as well.
> > For example, there is documented syntax
> > expression
> > :
> >
> > real
> >  |
> >
> > string
> >  |
> >
> > string ~ { expression
> >  }
> >
> > string [ expression ] |
> >
> > But test[1] is not working (out of range index). I suppose i don't
> understand some differences between lists, strings, char-expressions and
> something like that.
> >
> > Is there any way to do what i want?
> >
> > --
> >   Best regards, Oleg
> > _______________________________________________
> > gmsh mailing list
> > gmsh at onelab.info
> > http://onelab.info/mailman/listinfo/gmsh
>
> --
> Prof. Christophe Geuzaine
> University of Liege, Electrical Engineering and Computer Science
> http://www.montefiore.ulg.ac.be/~geuzaine
>
> Free software: http://gmsh.info | http://getdp.info | http://onelab.info
>
>


-- 
  С уважением, Олег
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