Reference to non-existent field 'folder'.
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Hi I have this coding to extract data from multiple .nc file, however, during running the code there is an error
Here is the code:
clear all;
clc;
files = dir('*.nc');
outputDirectory = '2023_try'; %create your .asc folder eg: 202201
% Create the output directory if it doesn't exist
if ~exist(outputDirectory, 'dir')
mkdir(outputDirectory);
end
for k = 1:length(files)
ncfile = fullfile(files(k).folder, files(k).name);
%SST = ncread(ncfile, 'SST');
%SSSanomaly = ncread(ncfile, 'SSS_anom');
%SSSuncorrected = ncread(ncfile, 'SSS_uncorr');
SSS = ncread(ncfile, 'SSS_corr');
Lat = ncread(ncfile, 'Latitude');
Lon = ncread(ncfile, 'Longitude');
Data = [Lat(:), Lon(:), SSS(:)] %SSSuncorrected(:), SSSanomaly(:), SST(:)];
id = Lat>=0 & Lat<=14 & Lon>=95 & Lon<=126;
Data1 = Data(id,:,:);
% Data1(isnan(Data1(:,3)),:) = [];
%Data1(isnan(Data1(:,4)),:) = [];
%Data1(isnan(Data1(:,5)),:) = [];
%Data1(isnan(Data1(:,6)),:) = [];
%id = (Lat >= 0 & Lat <= 14);
%Data1 = Data(id, :);
% Extract the filename without the extension
[~, baseFileName, ~] = fileparts(ncfile);
% Create the output .asc filename
outputFileName = fullfile(outputDirectory, [baseFileName '.asc']);
% Save the data as an ASCII file
save(outputFileName, 'Data1', '-ASCII');
end
Here is the error:
Reference to non-existent field 'folder'.
Error in SMOS_nc_extract_all (line 10)
ncfile = fullfile(files(k).folder, files(k).name);
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Answers (2)
Walter Roberson
on 11 Mar 2024
In sufficiently old versions of MATLAB, there is no .folder field in the results of dir.
I think .folder was added roughly R2013b
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