Matlab Runtime Compiler creates the .m files in the mcrCache

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Sébastien MAILFERT 2022-7-25

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https://ww2.mathworks.cn/matlabcentral/answers/1767140-matlab-runtime-compiler-creates-the-m-files-in-the-mcrcache

评论： Sébastien MAILFERT 2022-7-26

Dear community,

I created .exe files to deploy my .m files and share them to users outside my lab.

I used previously the 9.2 version but now I'm using the recent one (9.12).

In the cache folder ("C:\Users\useranme\AppData\Local\Temp\useranme\mcrCache9.12\), there are a lot of /m files created now for each executable launch.

I'm wondering if these files can be automatically deleted after the call?

I'm also want to be sure that these files do not share the code because it is confidential.

Best regards,

Sébastien

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Bruno Luong 2022-7-25

I don't know, I use mcc commmand to build by app, and adding -s option is just straight forward.

Sébastien MAILFERT 2022-7-26

编辑：Sébastien MAILFERT 2022-7-26

The Mathworks support just replied me:

Thank you for getting back to us about this issue. In R2021b and R2022a Application Compiler Settings shows "Unknown flag(s) specified: -s", I verified it on my end too. This is a bug and our developers are working on fixing this for a future release. I am sorry I did not spot this bug in the first place.

I'm waiting for the next release...

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回答（1 个）

Walter Roberson 2022-7-25

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1767140-matlab-runtime-compiler-creates-the-m-files-in-the-mcrcache#answer_1014500

https://www.mathworks.com/help/matlab/matlab_prog/protect-your-source-code.html

Starting in R2021b, you can obscure the names of files and the directory structure, and also encrypt other file types (such as MAT, FIG, MEX, and so on) using the -s option for mcc (MATLAB Compiler). At run time, the encrypted files remain encrypted on the disk but are decrypted in memory to what they originally were before compiling.