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Can Í have a listener in a class that checks if the folder-content is changed?

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Micke Malmström 2017-1-13

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https://ww2.mathworks.cn/matlabcentral/answers/320247-can-i-have-a-listener-in-a-class-that-checks-if-the-folder-content-is-changed

编辑： per isakson 2017-2-10

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I have a folder that recievs files from time to time and I want matlab to plot the data directly as they arive in the folder...

can I add a listener that checks if for example

folderContents=dir;

is changed since last time? thenks in advance/M (FYI I'm pretty new to working with classes and never used a listener before)

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回答（1 个）

Wilson A N 2017-1-20

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https://ww2.mathworks.cn/matlabcentral/answers/320247-can-i-have-a-listener-in-a-class-that-checks-if-the-folder-content-is-changed#answer_251265

编辑：per isakson 2017-2-10

You can use the 'addlistener' function to do this. The below link describes it:

https://www.mathworks.com/help/matlab/matlab_external/use-net-events-in-matlab.html

You can also check out the other answers in the links given below which more or less address your query:

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