mdf() function with German Umlaut ä,ö,ü or other special characters

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Frank Wuechner
Frank Wuechner 2020-3-17
回答： Michelle Wu 2021-11-18
Hi,
I have been using the mdf() function for quite a while now for GUI tools to convert mdf files etc.
Somewhere between Matlab 2018b and 2019b the mdf() function lost its ability to interpret German umlauts within the input string. I get the error message:
"Can't create a std::string from this data"
For example, this error appears when I try to read a file called "äb.mf4". It was still possible on Matlab 2017b and 2018b.
Any way to deal whith this? I cannot use strrep or other functions as I cannot change the names of my input file names or paths accordingly.
Thanks!
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Shouyuan Chen
Shouyuan Chen 2020-10-14
Hi,
my friend. Try to make sure, that in ur Path, there is not ''incompatibe" Alphabet, for example, ü,ä or other language. This Error will automatic solved, when I use the Path only in English
Huadong Niu
Huadong Niu 2020-11-3
2018a可以用中文做文件名，但是2020a和2020b在matlab m文件和命令行就不能用中文名了，否则会报出Can't create a std::string from this data.的故障，这非常的奇怪。mlapp文件中 代码使用mdf（）函数，也不可以用中文名的

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回答（1 个）

Michelle Wu
Michelle Wu 2021-11-18
Vehicle Network Toolbox R2021a contains improved support of international characters for the MDF functions. Please upgrade to R2021a and error should be resolved.

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