Convert .mat to .csv file

mat2csv.py

import numpy as np
import pandas as pd
from scipy.io import loadmat

def mat2csv(file_mat, index=False):
    mat = loadmat(file_mat, squeeze_me=True)
    
    for colname in mat.keys():
        # ignore private column names
        if colname.startswith("__"):
            continue
        
        for fieldname in mat[colname].dtype.names:

            # ignore struct fields different from "data"
            # rename or uncomment it to match your needs
            if fieldname != "data":
                continue

            # get dataset values from "data" field for current column
            element = mat[colname][fieldname].item()

            # it could exist other instances (eg. str) and other dimensions (eg. 1D)
            # update these lines if you need something different than this
            if isinstance(element, np.ndarray):
                if len(element.shape) == 2:
                    _, cols = element.shape
                    data = {f"x{i}" : element[:, i] for i in range(cols)}
                    pd.DataFrame(data).to_csv(f"{colname}.csv", index=False)

mat2csv("filename.mat")

can i use this code to convert my mat file to csv?

Probably, yes.

how can mat file located into code?

I just updated the gist. You must replace line 31 specifying your filename.

hi !
i used your code and changed line 31
no errors and was able to run the code
but it doesn't give me a csv file ?
can you add a path for csv