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Re: ERROR 31 [message #93757 is a reply to message #93743]

Wed, 12 October 2016 21:13

Michael Galloy
Messages: 1114
Registered: April 2006

Senior Member

On 10/11/16 3:52 PM, John Sofiadis wrote:
> i have written a program in order to read a nc file..i am sure tha
> the path is correct,complile is ok,but when it runs occurs an
> error,called error-31,at third line(the line where i command opening
> thw nc file)..???thanks in advance
>

I'm not sure what it really means, but the netCDF C header defines the
following:

#define NC_SYSERR (-31)

That seems pretty vague. Does the file exist? Is it really a netCDF file?

Update: I tried to open a non-existent file:

IDL> id = ncdf_open('test.nc')
% Loaded DLM: NCDF.
% NCDF_OPEN: Unable to open the file "test.nc". (NC_ERROR=-31)

Mike
--
Michael Galloy
www.michaelgalloy.com
Modern IDL: A Guide to IDL Programming (http://modernidl.idldev.com)

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[Message index]

		ERROR 31 By: John Sofiadis on Tue, 11 October 2016 14:52
		Re: ERROR 31 By: Michael Galloy on Wed, 12 October 2016 21:13
		Re: ERROR 31 By: Phillip Bitzer on Thu, 13 October 2016 06:43

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