the code that works manually but don't work at all with loop

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Pai-Feng Teng
Pai-Feng Teng 2021-7-4
回答： Deepak Meena 2021-7-9
I tried to export 131 time series regarding weather data for 20 years in 6 folders. I have to create a loop. When I tested it by entering the code manually and the code worked. However the loop didn't when I want to run it.
I have double-checked input data many times. Yet it still didn't work after I run the code
The following code is my loop
input = {'atem';'clou';'dewp';'pevt';'prec';'solr';'wind'};
for k = 2:length(input)
mydir6 = ['C:\Users\Victor\Documents\PhD\2021Summer\HUC12_EALSTM\Data\trial4_RCH131_S\weather\' char(input(k))];
mkdir(mydir6);
for i = 1:length(a_HUC12)
string6 = [z_InputFormat,ColS]; %duplicate the input format files
string6(2,1)= [char(string6(2,1)) as]; %input the aditional variable
for j = 1:length(a_dates)
string6(j+2,2:end) = 1; % this experiment will simply make weather input other than storage as 1
string6(j+2,k+1) = Inputfulls(j,i,k); %only input storage
filename6 = strcat(string6(:,1),tab,string6(:,2),tab,string6(:,3),tab,string6(:,4),tab,string6(:,5),tab,string6(:,6),tab,string6(:,7),tab,string6(:,8),tab,string6(:,9));
filename6(2,1) = ans2;
filename6(1,1) = round(a_area(i));
end
dir6 = [mydir6 '\' num2str(a_HUC12(i)) '_weather.txt'];
writematrix(filename6, dir6); %export them to the txt
end
end
input = {'atem';'clou';'dewp';'pevt';'prec';'solr';'wind'};
for k = 2:length(input)
mydir6 = ['C:\Users\Victor\Documents\PhD\2021Summer\HUC12_EALSTM\Data\trial4_RCH131_S\weather\' char(input(k))];
mkdir(mydir6);
for i = 1:length(a_HUC12)
string6 = [z_InputFormat,ColS]; %duplicate the input format files
string6(2,1)= [char(string6(2,1)) as];
for j = 1:length(a_dates)
string6(j+2,2:end) = 1; % this experiment will simply make weather input other than storage as 1
string6(j+2,k+1) = Inputfulls(j,i,k); %only input storage
filename6 = strcat(string6(:,1),tab,string6(:,2),tab,string6(:,3),tab,string6(:,4),tab,string6(:,5),tab,string6(:,6),tab,string6(:,7),tab,string6(:,8),tab,string6(:,9));
filename6(2,1) = ans2;
filename6(1,1) = round(a_area(i));
end
dir6 = [mydir6 '\' num2str(a_HUC12(i)) '_weather.txt'];
writematrix(filename6, dir6); %export them to the txt
end
end
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dpb
dpb 2021-7-4
编辑：dpb 2021-7-4
rootdir='C:\Users\Victor\Documents\PhD\2021Summer\HUC12_EALSTM\Data\trial4_RCH131_S\weather\';
for k = 2:length(input)
mydir6=fullfile(rootdir, input{k});
if exist(mydir6)==0
mkdir(mydir6);
end
...
is the most rudimentary way to not try to recreate an existing folder; it could have significantly more error-checking than this, but at least it won't try to recreate an existing folder when you run the code more than the first time.
Image Analyst
Image Analyst 2021-7-4
if ~isfolder(mydir6)
mkdir(mydir6);
end
@Pai-Feng Teng, don't use input as the name of your variable since it's the name of a built-in function. Call it something else, like fileTypes or fileFormats or something.

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回答（1 个）

Deepak Meena
Deepak Meena 2021-7-9
Hi,
I tried to reproduce the error but you haven't mentioned the values such as a_dates , a_HUC12.
Also mention the error message you are getting while running the code.
For now I agree with @Image Analyst and @dpb that you should add the check whether the same directory exists or not (but it will just throw the warning not error).

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