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Re: how to search if a variable exists in a file [message #92004 is a reply to message #92002]

Tue, 29 September 2015 08:27

Paul Van Delst[1]
Messages: 1157
Registered: April 2002

Senior Member

On 09/28/15 18:25, Xiaohua Pan wrote:
> Hi all,
> I am dealing with a set of stations which unfortunately contain
> different variables (netcdf formate). For example, Some stations have
> the variables, say 'temperature' and 'pressure', while some stations
> only have 'temperature'. When I read data with DO loop the stations, I
> would like to search the variable first, so I can skip those variables
> not existing to avoid the crash of program. I found a function of
> file_search(), but can't find a similar function for a variable. Is
> there anyone know how to do it? Thanks.
>
> DO i_station = 0, n-1 do begin
> DO i_var = 0, 1 do begin
> ; How to skip the variable if it doesn't exit ????
> ENDFOR
> ENDFOR

See:
http://www.exelisvis.com/docs/NCDF_VARID.html

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[Message index]

		how to search if a variable exists in a file By: Xiaohua Pan on Mon, 28 September 2015 15:25
		Re: how to search if a variable exists in a file By: David Fanning on Mon, 28 September 2015 16:25
		Re: how to search if a variable exists in a file By: Xiaohua Pan on Tue, 29 September 2015 12:05
		Re: how to search if a variable exists in a file By: Paul Van Delst[1] on Tue, 29 September 2015 08:27

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