How to use the load function in Octave not knowing the variable name of the saved data?

Question

I have several 100 *.mat files with matrices with same shapes. But over time this matrices were saved with different names. Lets say for this example a or b.

How can I now load and process this data without knowing the name using a new name instead?

An if condition is not an option, because there are too many different names.

I already tryed:

data = load('example_file.mat')

but then I need again the old variable names to access the matrices with data.a or data.b ...

What I need is something like:

load('example_file.mat') as matrix

Is this possible in Octave?

Cris Luengo · Accepted Answer · 2020-06-13 16:10:29Z

4

Your attempt

data = load('example_file.mat')

is the right start. You can examine data to find out what variables it contains. Assuming there’s always a single matrix in the MAT-file,

names = fieldnames(data);
data = data.(names{1});

answered Jun 13, 2020 at 16:10

Cris Luengo

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