How can I change addpath or change workinf dic in appdesigner/ .exe ?
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Kaustubh hike
le 3 Sep 2021
Commenté : Walter Roberson
le 6 Sep 2021
Hi,
WHile running the .exe file, If I use cd or addpath for changing the directory , it failes.
In Matlab app it works but in .exe it failes.
Is there are alternative for changing the working dictonary which runs sucessfully while running executable app?
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Walter Roberson
le 3 Sep 2021
addpath and cd can be seen as requests to change which functions are executed at runtime -- for example cd'ing into a directory that has its own sqrt.m there and expecting that at run-time it would pick up that sqrt() for as long as it is executing in that directory.
But compiled executables need to be built with static paths for .m and related executable objects. If you need to add directories to the path at the beginning of execution just to bring in the hierarchy, then the app building GUI has a place to specify directories to add to the path, or if you are using the command line, you can use mcc -a
So, at execution time, the only thing that is left for cd or addpath to do, is to change the path to find data files. But you should not do that: you should use fully-qualified file names instead.
In short: Don't change the working directory. Build all necessary paths into the executable, and use fully-qualified files instead of relative files.
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Walter Roberson
le 6 Sep 2021
FILEDIRECTORY is the directory that the files are in. A variable containing the name of the directory that you wanted to cd() to.
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