Comparing two versions of a data dictionary programmatically

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John Fiaschetti 2023-6-20

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https://ww2.mathworks.cn/matlabcentral/answers/1985919-comparing-two-versions-of-a-data-dictionary-programmatically

评论： John Fiaschetti 2023-6-26

HI all,

I have some users who either do not have access to Matlab or are not well-versed in its use who need to be able to compare two versions of the same data dictionary. I know there is a diff tool for this when you're in Simulink. I need to able to launch it from a Matlab compiled application and let the user select the two files. The two files would most likely be two different commits in a git repo.

Thanks!

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Answer 1

Vishnu 2023-6-21

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在 MATLAB Online 中打开

Hi John,

you can use the system command in MATLAB to call the Simulink diff tool from your compiled application.
You can also use the uigetfile function to allow the user to select the two files to compare.

Here is a sample code that launches the Simulink diff tool and allows the user to select the two files:

[filename1, pathname1] = uigetfile('*.sldd', 'Select the first file to compare');
if filename1 == 0 
    return;
end
[filename2, pathname2] = uigetfile('*.sldd', 'Select the second file to compare');
if filename2 == 0 
    return;
end
cmd = sprintf('slddDiff(''%s'', ''%s'')', fullfile(pathname1, filename1), fullfile(pathname2, filename2));
system(cmd);
%  The slddDiff function takes two input file paths and compares them.
%  we use the system command to execute the Simulink diff tool with the constructed command.