systemWithoutMatlab​dirInPath

Execute operating system command without the Matlab path prepended to the search path (system PATH environment variable).

By default, Matlab prepends its own path to the system PATH environment variable when executing an operating system command using the system function. This can lead to unexpected behaviour and hard to debug errors: The program called might load libraries from the Matlab path (which are likely incompatible) and not its own path.

I encountered this problem when I called a program that loaded Matlab's hdf5 library instead of its own.

This function removes the Matlab path from the system's PATH environment variable before executing an operating system command.

Created and tested with Matlab 2019b on Windows 8.1 64bit.