How to give an option to user of where to save the generated file

Question

raghavendra kandukuri 2018-8-24

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https://ww2.mathworks.cn/matlabcentral/answers/416120-how-to-give-an-option-to-user-of-where-to-save-the-generated-file

回答： Image Analyst 2018-8-25

How to give an option to user of where to save the generated file, right now it is storing those files where .m files are there, but i want to give user the flexibility of storing those files where ever they want, i have tried the following code and its not working. It is opening the that browse location window but the output is not storing there, it still stores at, where .m files are.

downloadsFolder = strcat('C:\Users\',getenv('username'),'\Downloads');

SaveDir = uigetdir(downloadsFolder,'Select folder to save newly created Excel files to...');

while SaveDir == 0

SaveDir = uigetdir(downloadsFolder,'Select folder to save newly created Excel files to...');

dlmwrite('PRM.txt',m1,'delimiter','\t','-append','newline','pc');

dlmwrite('PRM.txt',ThrTbl,'delimiter','\t','-append','newline','pc');

end

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Answer 1

Stephen23 2018-8-24

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https://ww2.mathworks.cn/matlabcentral/answers/416120-how-to-give-an-option-to-user-of-where-to-save-the-generated-file#answer_334013

编辑：Stephen23 2018-8-24

在 MATLAB Online 中打开

Just use fullfile like this, each time you call any function that reads/writes files:

dlmwrite(fullfile(SaveDir,'PRM.txt') ,...)

https://www.mathworks.com/help/matlab/matlab_env/specify-file-names.html

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raghavendra kandukuri 2018-8-24

编辑：Walter Roberson 2018-8-24

在 MATLAB Online 中打开

Now it works:

downloadsFolder = strcat('C:\Users\',getenv('username'),'\Downloads');
           SaveDir = uigetdir(downloadsFolder,'Select folder to save newly created Excel files to...');
          while SaveDir == 0
               SaveDir = uigetdir(downloadsFolder,'Select folder to save newly created Excel files to...');
          end
           dlmwrite(fullfile(SaveDir,'PRM.txt'),m1,'delimiter','\t','-append','newline','pc');
           dlmwrite(fullfile(SaveDir,'PRM.txt'),ThrTbl,'delimiter','\t','-append','newline','pc');

Stephen23 2018-8-25

@raghavendra kandukuri: remember to accept the answer that helped you to resolve your original question!

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Answer 2

Image Analyst 2018-8-25

1
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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/416120-how-to-give-an-option-to-user-of-where-to-save-the-generated-file#answer_334063

在 MATLAB Online 中打开

Try this:

% Get the name of the file that the user wants to save.
% Note, if you're saving an image you can use imsave() instead of uiputfile().
startingFolder = userpath % Or "pwd" or wherever you want.
defaultFileName = fullfile(startingFolder, 'PRM.txt');
[baseFileName, folder] = uiputfile(defaultFileName, 'Specify a file');
if baseFileName == 0
  % User clicked the Cancel button.
  return;
end
fullFileName = fullfile(folder, baseFileName)
dlmwrite(fullFileName, .......etc.