varid return value

[Steve Emmerson]

Gary,

Does the perl script exit after the error occurs?  Are you using the
NetCDF::opts() function to tell the netCDF library not to terminate
when an error occurs?

Regards,
Steve Emmerson

Gary Hodges wrote:
> The netcdf man page indicates that ncvarid will return a value of -1 if 
> an error occurs.  I have the following code and I know that "head_temp2" 
> does not exist in the netcdf file.
> 
> my $vid = NetCDF::varid($ncid, "head_temp2");
> print("$vid\n);
> 
> I get the error "ncvarid: ncid 5: Variable not found" when this is run. 
>  Ultimately what I want to do is test if a variable exists and set a 
> flag based on the result so I'm not necessarily tied to varid.
> 
> Gary
> 
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