[FieldTrip] problem reading the .bdf

[Schoffelen, J.M. (Jan Mathijs)]

Hi  Mahmoud,

I suggest that you start by reading the documentation on the website, e.g. the getting started section on fieldtriptoolbox.org<http://fieldtriptoolbox.org>
Also, if you are a first time user of fieldtrip, I suggest you start reading in the data using the ft_preprocessing function, rather than ft_read_header/ft_read_data.
Also, the error you get is related to basic matlab syntax: the error says that you should use key-value pairs in the input. Perhaps if you google in the documentation of matlab you will find out what you could do to fix it.

Best wishes,
Jan-Mathijs


On 2 Apr 2021, at 21:09, Mahmoud <zeydabadi at gmail.com<mailto:zeydabadi at gmail.com>> wrote:

I have a .bdf file that I want to read in matlab usig ft_read_header()
and ft_read_data().
I have defined a list of channels as
channels = ["CH1" ,   "CH2", "CH3",    "CH4",    "CH5"]

When I try to read the header I get the following error:

hdr = ft_read_header(filename, chanindx= channels);

Error using ft_getopt
the first input should contain key-value pairs

Error in ft_read_header (line 183)
headerformat   = ft_getopt(varargin, 'headerformat');

Can you please let me know what am I doing wrong? I read the help for
ft_read_header() but couldn't figure it out.

Thank you!
Mahmoud
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