[ncl-talk] usage of "continue" [SEC=UNOFFICIAL]

[Jack Ogaja]

Hi Eunpa,

In this case “continue” is a terminal statement. I suppose in ncl you would substitute that with a “while loop” syntax. For example

;———
 i = 0
 do j = n, m
     do while ( i .lt. j)
           X=j
           i+=1
    end do
end do
;———

see: http://www.ncl.ucar.edu/Document/Language/loops.shtml <http://www.ncl.ucar.edu/Document/Language/loops.shtml>

Jack



> On 27 Oct 2015, at 12:15, Eun-Pa Lim <E.Lim at bom.gov.au> wrote:
> 
> Dear Jack
>  
> Thanks for your reply J
>  
> I was just trying to make very simple do loops looking like this in old fortran
>  
> Do i=0,10
>    Do j=0,20
>       If(a(i).eq.b(j)) then
>           X = j
>           Go to 333
>        End if
>    End do
> 333 continue
> End do
>  
> But "Go to " is not a statement used in NCL, and there is not much explanation about "continue" in the NCL page.
>  
> There must be a way to do this in NCL I reckon!
>  
> Cheers
>  
> Eunpa
>  
> Eun-Pa Lim
> Research Scientist
> Seasonal Prediction Science Team
> Centre for Australian Weather and Climate Research (CAWCR)
> Bureau of Meteorology
> Tel: +61-3-9669-4636
> http://www.cawcr.gov.au/staff/elim/index.php <http://www.cawcr.gov.au/staff/elim/index.php>
>  
> From: Jack Ogaja [mailto:jack.ogaja at gmail.com] 
> Sent: Tuesday, 27 October 2015 10:10 PM
> To: Eun-Pa Lim
> Cc: ncl-talk at ucar.edu
> Subject: Re: [ncl-talk] usage of "continue" [SEC=UNOFFICIAL]
>  
> Really…? I guess it will be easier if you show a piece of ncl script which gives a hint of what you are trying to achieve. In principle if you understand what “continue” means/does in ‘your preferred' language, then I assume you should be able to implement or know whether it is possible to implement a similar algorithm in ncl after reading the ncl-statements documentation and probably going through a few examples.
>  
> Or you can just provide a Pseudocode of your intended program to make it easier for somebody to help.
>  
> Jack 
>  
> On 27 Oct 2015, at 11:12, Eun-Pa Lim <E.Lim at bom.gov.au <mailto:E.Lim at bom.gov.au>> wrote:
>  
> Hi NCL users,
>  
> Could anybody please teach me how to use "continue" in a do loop in NCL? I can't find an example in https://www.ncl.ucar.edu/Document/Manuals/Ref_Manual/NclStatements.shtml <https://www.ncl.ucar.edu/Document/Manuals/Ref_Manual/NclStatements.shtml>
>  
> Many thanks!
>  
> Eunpa
>  
>  
> Eun-Pa Lim
> Research Scientist
> Seasonal Prediction Science Team
> Centre for Australian Weather and Climate Research (CAWCR)
> Bureau of Meteorology
> Tel: +61-3-9669-4636
> http://www.cawcr.gov.au/staff/elim/index.php <http://www.cawcr.gov.au/staff/elim/index.php>
>  
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