Check if a file is a directory in Matlab, before 2018a

By | November 12, 2018

The new Matlab versions starting in 2018 rolled out a functioo called isfolder(filename), which is quite handy.

But if you're using a version of Matlab before 2018a, you can still easily accomplish this task with the following code:

exist(filename,'dir')==7

How does it work?

Here, we are telling the exist function to look for the specified filename, and we are asking it to check whether it is a directory. If so, it will return the integer 7. This handy function will check whether the specified filename is one of several options, and you can read more about it here if you're interested.

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