m file to instead save button in set path dialog

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kei hin 2019-1-17

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https://ww2.mathworks.cn/matlabcentral/answers/440143-m-file-to-instead-save-button-in-set-path-dialog

评论： Walter Roberson 2019-1-23

Go the Home tab and, in the Environment section, click Set Path. Then we will open the Set Path dialog box, there is a 'Save' button, now I want to use a M-file to achieve the 'save' button's function, how to do this? Use 'Savepath()'? I do not want to change any path, no add, no move, no remove, just save. Like I open this dialog, do nothing, just click 'save' button and close the dialog, now I want to use M-file to do this. just save. how? thanks~

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Walter Roberson 2019-1-17

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https://ww2.mathworks.cn/matlabcentral/answers/440143-m-file-to-instead-save-button-in-set-path-dialog#answer_356733

在 MATLAB Online 中打开

matlabpath( strjoin(Cell_Array_Of_Character_Vectors, pathsep) )

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Walter Roberson 2019-1-17

在 MATLAB Online 中打开

Your diagram claims you are using R2017a, not R2011b...

temp = repmat({pathsep}, 1, numel(Cell_Array_Of_Character_Vectors));
temp{end} = '';  %no separator on the last one
temp = reshape([reshape(Cell_Array_Of_Character_Vectors, 1, []); temp], 1, []);
temp = horzcat(temp{:});
matlabpath( temp );

Here Cell_Array_Of_Character_Vectors is a cell array of character vector of the path elements to be stored.

But perhaps I have misunderstood. My solution is for the situation that you somehow know the complete list of items to use for the path, but you do not want to store that list permanently. My solution is not for the case where you have called pathtool in your program to open up the GUI and you want the code to somehow click "Save" without the user having to click it.

The case where you have a complete list of items to use to replace the path is not common (except that the initial path is loaded at startup time.) Much more common is the situation where you want to add a few specific locations to the path and continue executing: that case is better handled a completely different way, by calling addpath()

kei hin 2019-1-23

aha...OK...Let's back to the question, I can use 'savepath' to instead click save button in pathtool dialog right? So can you edit your first answer, and I will accept it.

Walter Roberson 2019-1-23

If you just want to put a path into effect then the code from https://www.mathworks.com/matlabcentral/answers/440143-m-file-to-instead-save-button-in-set-path-dialog#comment_661311 does that without using savepath() .

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